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Construction Master 5 4050
Pocket Reference Manual
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Calculated Industries Construction Master 5 4050 Pocket Reference Manual

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Page 1
CONSTRUCTION MASTER
®
5
Pocket Reference Guide
Metric Edition
FAST. ACCURATE. RELIABLE.
Model 4050
Page 2
CONSTRUCTION MASTER® 5
The Construction Master 5 (Model 4050) will help you save time, reduce costly errors and build like a pro!
Quickly Solve:
• Areas, Volumes and Weights
• Circle/Arc Calculations
• Common, Hip/Valley, Jack Rafter
Lengths (Regular and Irregular)
• Stair Layout Solutions
• Rake-Wall Solutions
• Concrete, Flooring Quantity
• Squaring-Up
• Dimensional Problems and Conversions
— Metric, Yards, Feet-Inches-Fractions
TABLE OF CONTENTS
GETTING STARTED .....................................1
Key Denitions ............................................1
Basic Function Keys .................................1
Dimension Keys ........................................2
Arc/Circle Keys .........................................3
Right Triangle/Roof Framing Keys ............3
Stair Layout Key ........................................5
Stair Settings .............................................6
Miscellaneous Functions ...........................6
Paperless Tape Example ............................. 8
Preference Settings .....................................9
Entering Dimensions .................................10
Entering Linear Dimensions ....................10
Entering Square/Cubic Dimensions ........11
Basic Math Operations ..............................12
USING THE CONSTRUCTION MASTER
Adding and Subtracting
Strings of Dimensions ...............................12
Dividing Dimensions ..................................13
Rectangular Area and Volume ...................13
Entering Square and
Cubic and Adding A Waste Allowance .......13
Linear Conversions ...................................14
Weight Conversions ..................................14
Weight Per Volume ....................................15
Using the Memory .....................................16
Baluster Spacing .......................................17
Number of Studs .......................................18
Circle Area and Circumference .................18
Arc Angle or Degree ..................................19
Concrete Volume for Driveway ..................20
Concrete Columns .....................................20
Complex Concrete Volume ........................21
Right Angle / Framing ................................22
Squaring-Up a Foundation ......................23
Pitch — Converting Roof Angle ...............23
Converting Slope .......................................24
Common Rafter Length .............................24
Regular Hip/Valley
And Jack Rafters .......................................25
Irregular Hip/Valley ....................................26
Rake-Wall – No Base ................................26
Stairs .........................................................27
Stairs — Given Rise and Run .................27
Stairs — Given Rise Only........................28
Area and Volume Formulas .......................33
Area Formulas .........................................33
Volume Formulas ....................................33
APPENDIX ..................................................35
Page 3
USING THE
CONSTRUCTION MASTER® 5 ...................12
Adding and Subtracting
Strings of Dimensions ...............................12
Dividing Dimensions ..................................13
Rectangular Area and Volume ...................13
Entering Square and
Cubic and Adding A Waste Allowance .......13
Linear Conversions ...................................14
Weight Conversions ..................................14
Weight Per Volume ....................................15
Using the Memory .....................................16
Baluster Spacing .......................................17
Number of Studs .......................................18
Circle Area and Circumference .................18
Arc Angle or Degree ..................................19
Concrete Volume for Driveway ..................20
Concrete Columns .....................................20
Complex Concrete Volume ........................21
Right Angle / Framing ................................22
Squaring-Up a Foundation ......................23
Pitch — Converting Roof Angle ...............23
Converting Slope .......................................24
Common Rafter Length .............................24
Regular Hip/Valley
And Jack Rafters .......................................25
Irregular Hip/Valley ....................................26
Rake-Wall – No Base ................................26
Stairs .........................................................27
Stairs — Given Rise and Run .................27
Stairs — Given Rise Only........................28
Area and Volume Formulas .......................33
Area Formulas .........................................33
Volume Formulas ....................................33
APPENDIX ..................................................35
Page 4
Pocket RefeRence Guide — 2
GETTING STARTED
KEY DEFINITIONS
Basic Function Keys
+-x *=
Arithmetic operation keys.
0
-
9
and
.
Keys used for entering numbers
O
Off Key — Turns all power off, clearing all non-permanent registers.
o
On/Clear Key — Turns on power. Pressing once clears the display. Pressing twice clears all temporary values.
Q
Convert Key — Used with the dimensional keys to convert between dimensions or with other keys to access special functions.
e
Square Root Key — Used to
nd the Square Root of a non-
dimensional or area value.
L
Recall Key — Used with other keys to recall stored values and settings.
N
Memory Key — Adds the displayed value to Memory. Clears when the calculator is shut off.
QN
Memory Minus (M–) — Clears Memory without changing current display.
Page 5
Pocket RefeRence Guide
— 2
QL
Memory Clear (M-R/C) — Subtracts the displayed value from Memory.
LL
Memory Clear — Clears Memory and displays Memory Total.
Dimension Keys
y
Yards Key — Enters or converts to Yards.
f
Feet Key — Enters or converts to Feet as whole or decimal numbers. Also used with the
i
and / keys for entering Feet-Inch values (e.g.,
6f9i1/2
). Repeated presses during conversions toggle between Fractional and Decimal Feet.
i
Inch Key — Enters or converts to Inches. Entry can be whole or decimal numbers. Also used with the
/
key for entering fractional
inch values (e.g.,
9i1/2
). Repeated presses during conversions toggle between Fractional and Decimal Inches.
/
Fraction Bar Key — Used to enter Fractions. Fractions can be entered as proper (1/2, 1/8, 1/16) or improper (3/2, 9/8). If the denominator (bottom) is not entered, the calculator's fractional accuracy setting is automatically used.
Page 6
Pocket RefeRence Guide — 4
m
Meters Key — Enters or converts to Meters.
c
Centimeters Key — Enters or converts to Centimeters.
M
Millimeters Key — Enters or converts to Millimeters.
b
Board Feet Key — Enters or converts Cubic values to Board Feet. One Board Foot is equal to 144 Cubic Inches.
w
Weight Key — Enters or converts (a volume value) to Tons, Pounds, Metric Tons or Kilograms. Repeated presses will cycle through these units.
Arc/Circle Keys
C
Circle Key
— Calculates Circle
Area and Circumference based on entered Diameter.
QC
Arc
— Calculates Arc Length or
Degree, chord length, segment area, pie slice area, segment rise, and length of arched segment wall studs.
Right Triangle/Roof Framing Keys
p
Pitch Key — This key is used to enter or calculate the Pitch (Slope) of a roof (or Right Triangle). Pitch is the amount of “Rise” over 12 Inches of “Run.” Pitch may be entered as:
Page 7
Pocket RefeRence Guide
— 4
a Dimension
25cp
an Angle
30p
a Ratio
0.75Qp
a Percentage
75%p
A Pitch entry will remain in permanent storage until revised or reset. A solution will be replaced by its entered value once the calculator is cleared.
Qp
Enters Pitch Ratio (e.g.,
.583Qp
).
r
Rise Key — Enters or calculates the Rise or vertical leg (height) of a Right Triangle.
R
Run Key — Enters or calculates the Run or horizontal leg (base) of a Right Triangle.
d
Diagonal Key — Enters or
calculates the common or Diagonal leg (Hypotenuse) of a Right Triangle. Typical applications are “squaring”
slabs or nding common rafter
lengths.
H
Hip/Valley Key — Calculates length
of the Regular or Irregular Hip/ Valley rafter.
QH
Irregular Pitch — Enters Irregular
Pitch used to calculate lengths of the Irregular Hip/Valley and Jack rafters.
Page 8
Pocket RefeRence Guide — 6
j
Jack Key — Calculates Jack rafter
lengths on the Regular-pitched roof side.
Qj
Irregular Jack — Calculates Jack
rafter lengths on the Irregular­pitched roof side.
P
Rake-Wall Key —
Finds the stud sizes based on entered Right Triangle values and the stored On-Center spacing. If a dimensional value is entered before pressing
P
, that value is considered the base and will be added to the stud lengths.
Stair Layout Key
s
Stair Key — Given Rise and/or
Run and entered/stored variables, calculates or displays:
PRESS RESULT
1 Riser Height 2 Number of Risers 3 Riser Overage/Underage 4 Tread Width 5 Number of Treads 6 Tread Overage/ Underage 7 Stringer Length 8 Angle of Incline 9 Stored Run 10 Stored Rise 11 Stored Desired Riser Height
Page 9
Pocket RefeRence Guide
— 6
12 Riser Height 12 Stored Desired
Tread Width
STAIR DEFAULT VALUES
• 7-1/2” Desired Riser Height
• 10” Desired Tread Width
Stair Settings
You may set “desired Riser height” and “desired Tread width” to any value by using the following keys:
Q7
Riser Height — Stores a desired
Riser height other than 7-1/2" (default). For example, enter 190 mm:
190M
.
Q9
Tread Width — Stores a desired
Tread width other than 10" (default). For example, enter 300 mm:
300M
.
Miscellaneous Functions
%
Percentage — Used to nd a given
percent of a number.
B
Backspace Key — Used to delete
entries one keystroke at a time (unlike the
o
function, which
deletes the entire entry).
Q*
1/x — Finds the reciprocal of a
number (e.g.,
8Q*
0.12 5).
Qx
Clear All — Returns all stored
values to the default settings. (Does not affect Preference Settings.)
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Pocket RefeRence Guide — 8
Q-
Change Sign (+/-) — Toggle displayed value between negative and positive value.
Q+
Pi — Displays the value of π (3.1415 9 2 7).
Q>
x2 — Squares a linear or non-
dimensional value.
Q.
Total Cost — Based on entry of per
unit cost.
Q0
Store Weight per Volume —
Stores a new Weight per Volume value as listed below:
Note: After entering a value and pressing
Q0
, continue pressing
the
0
digit key until you’ve reached the desired Weight per Volume format. To recall your setting, press
L0
.
• Ton Per CU YD
• LB Per CU YD
• LB Per CU FEET
• MET Ton Per CU M
• kG Per CU M
This value is stored until you change it or perform a Clear All (
Qx
).
Q5
On-center Spacing (o.c.) — Stores
a new On-center spacing (e.g.,
400MQ5
). The value is used for jack and rake wall stud calculations. Default is 16".
Page 11
Pocket RefeRence Guide
— 8
Q=
Paperless Tape
— Useful for
checking gures, as it scrolls
through your past 20 entries or calculations. Press
L=
to access
Paperless Tape mode. Press
+
or
-
to scroll forward or backward.
Press
=
to exit mode and continue with a new entry or calculation. See example below.
PAPERLESS TAPE EXAMPLE
Add 6 m, 5 m and 4 m, then access the paperless tape mode and scroll back through your entries. Then, back up one entry, exit the tape mode and add 10 Feet to the total.
KEYSTROKE DISPLAY
oo
0.
6m+
6.000
M
5m+
11.000 M
4m=
15.000 M
L=µ
TTL 15.000
M
+
01 6.000
M
+
02 5.000
M
+
03 4.000
M
-
02 5.000
M
=
TTL 15.000
M
+10m=
25.000
M
Page 12
Pocket RefeRence Guide — 10
PREFERENCE SETTINGS
Press Q, then %, then keep pressing % to toggle through the main settings. Press the + key to advance within sub-setting. Use the - key to back up. Press o key to exit Preferences.
PRESS
Q
AND: SETTING/FUNCTION
First press of %:
(Fractional Resolution)
1/16
+
1/32
+
1/64
+
1/2
+
1/4
+
1/8
+
1/16
(repeats options)
Second press of
%
:
(Area Displays)
Std.
+
0.
SQ FEET
+
0.
SQ YD
+
0.
SQ M
+
Std.
(repeats options)
Third press of
%
:
(
Volume Displays
)
Std.
+
0.
CU YD
+
0.
CU FEET
+
0.
CU M
+
(repeats options)
Std.
Page 13
Pocket RefeRence Guide
— 10
Fourth press of %:
(
Meter Linear
Displays
)
0.000
M
+
(oatingpoint)
FLOAt M
+
(repeats options)
0.000 M
Fifth press of
%
:
(
Decimal Degree
Displays
)
0.00º
+
(oatingpoint)
FLOAt
+
(repeats options)
0.00º
Sixth press of %:
(
Fractional Mode
)
Std.
+
COnSt
+
(repeats options)
Std.
ENTERING DIMENSIONS
Entering Linear Dimensions
Examples of entering Linear Dimensions:
DIMENSION KEYSTROKE
Clear calculator
o
17.5 m
17.5m
Clear calculator
o
100 cm
100c
Clear calculator
o
500 mm
500M
Page 14
Pocket RefeRence Guide — 12
Entering Square/Cubic Dimensions
Examples of entering Square and Cubic Dimensions:
KEYSTROKE DISPLAY
oo
0.
Enter numeric value and press desired unit key once to label value as “Linear:”
KEYSTROKE DISPLAY
oo
0.
100M
100
MM
Enter numeric value and press desired unit key twice to label value as “Square:”
KEYSTROKE DISPLAY
oo
0.
100MM
100
SQ MM
Enter numeric value and press desired unit key three times to label value as “Cubic:”
KEYSTROKE DISPLAY
oo
0.
100MMM
100
CU MM
Note: If you pass the desired dimensional format, keep on pressing the dimensional unit key until the desired result is displayed again.
Page 15
Pocket RefeRence Guide
— 12
BASIC MATH OPERATIONS
Your calculator uses standard chaining logic, which simply means that you enter your
rst value, the operator (
+, -, x, *
), the
second value and then the Equals sign (
=
).
A.
3 + 2 =
5.
B.
3 - 2 =
1.
C.
3 x 2 =
6.
D.
3 * 2 =
1.5
This feature also makes the calculator simple to use for dimensional applications.
USING THE CONSTRUCTION MASTER® 5
ADDING AND SuBTRACTING STRINGS OF DIMENSIONS
Add the following measurements:
• 850 mm
• 1.2 m
• 600 mm
Then subtract 175 mm.
KEYSTROKE DISPLAY
850M+
850.
MM
1.2m+
2050.
MM
600M=
2650.
MM
-175M=
2475.
MM
Page 16
Pocket RefeRence Guide — 14
DIvIDING DIMENSIONS
Divide 4700 mm into thirds (divide by 3):
KEYSTROKE DISPLAY
4700M*3=
1566.667
MM
RECTANGuLAR AREA AND vOLuME
Find the area and volume:
• Length: 6200 mm
• Width: 3500 mm
• Height: 450 mm
First, multiply the Length times the Width to
ndtheArea.Then,multiplytheAreatimes theHeighttondtheVolume:
KEYSTROKE DISPLAY
6200Mx
6200.
MM
3500Mx
21.7
SQ M
450M=
9.765
CU M
ENTERING SquARE AND CuBIC AND ADDING A WASTE ALLOWANCE
Add a 10% waste allowance to 5200 sq mm. Then add a 20% waste allowance to 4500 cu mm:
KEYSTROKE DISPLAY
5200MM+10%
5720.
SQ MM
4500MMM+20%
5400.
CU MM
Page 17
Pocket RefeRence Guide
— 14
LINEAR CONvERSIONS
Convert 3200 mm to other dimensions:
KEYSTROKE DISPLAY
3200M
3200
MM
Qc
320.
CM
Qm
3.200
M
Qf
*
10
FEET
6
INCH
Qi
*
126
INCH
Qy
3.499563
YD
*Repeated presses of
f
or
i
will toggle between Feet-Inch-Fractions and Decimal Feet or Inches.
WEIGHT CONvERSIONS
Convert 70 kilograms to other weights (Pounds, Tons, Metric Tons):
KEYSTROKE DISPLAY
oo
0.
70wwww
*
70
kG
Qw
0.077162
Ton
w
154.3236 LB
wµ
0.07
MET Ton
*Calculatormaynotdisplaykilogramsuponrst
press of
w
; it depends on which unit was
accessed last. So press
w
until desired unit is
displayed, then convert.
Page 18
Pocket RefeRence Guide — 16
WEIGHT PER vOLuME
Note: The default setting for Weight per Volume is 1.5 Tons per Cubic Yard. If you are working with metric values, you can easily store a new Weight per Volume value.
Convert 20 Cubic Metres of concrete to Metric Tonnes, Kilograms, Tons and Pounds, using the default value of 1.5 Tons per Cubic Yard:
KEYSTROKE DISPLAY
Qx
ALL CLEArEd
20mmm
20
CU M
www
(Metric Tonnes)
35.59659
MET TON
w
(Kilograms)
35596.59
KG
w
(Tons)
39.23852
Ton
w
(Pounds)
78477.04
LB
Now convert the above, if concrete weighs
1.4 Tonnes per Cubic Metre, by storing a new Weight per Volume value. Press the
w
key
until the desired unit displays:
KEYSTROKE DISPLAY
1.4 Q0000 @
1.4 MET
Ton Per CU M
20mmm
20
CU M
w
(Metric Tonnes)
28
MET TON
w
(Kilograms)
28000.
KG
w
(Tons)
30.86472 Ton
w 61729.43 LB
Page 19
Pocket RefeRence Guide
— 16
*Calculator will present values in a different order based on previous computation; simply continue to press
w
key until desired
value is displayed.
uSING THE MEMORY
Whenever the
N
key is pressed, the displayed value will be added to the Memory. Other memory functions:
FUNCTION KEYSTROKE
Add to Memory
N
Subtract from Memory QN Recall total in Memory LN Display/Clear Memory LL Clear Memory QL When memory is recalled (
LN
),
consecutive presses of
N
will display the calculated average and total count of the accumulated values.
Example:
KEYSTROKE DISPLAY
355N
M+ 355. &
255N
M+ 255.
&
745QN
M- 745. &
LN
TTL @
– 135.
&
N
AVG – 45. &
N
CNT 3. &
LL
M+ – 135.
Page 20
Pocket RefeRence Guide — 18
BALuSTER SPACING
You are going to install a handrail at the top of a balcony. Your total span is 4000 mm and you would like the space between the balusters to be about 100 mm. If each baluster is 40 mm wide, what is the exact spacing between each baluster?
KEYSTROKE DISPLAY
1. Divide Length by spacing:
oo
0.
4000M*
4000.
MM
140M=
*
28.57143
(29 balusters)
* Desired spacing plus baluster width
(100 mm plus 40 m)
2. Find total space ‘occupied’ by the balusters by multiplying the width of each baluster by the rounded number of balusters:
40Mx
40.
MM
29=
1160.
MM
3. Find total space between all balusters:
4000M-
4000.
MM
1160M=
2840.
MM
4. Find actual baluster spacing by dividing total space between all balusters by the number of spaces between the balusters (number of balusters plus one equals 30):
2840M*
2840.
MM
30=
94.66667
MM
Page 21
Pocket RefeRence Guide
— 18
NuMBER OF STuDS
Find the number of 400 mm On-center studs required for a wall measuring 7600 mm in length:
KEYSTROKE DISPLAY
1. Divide Length by spacing:
oo
0.
7600M*
7600.
MM
400M=
19.
2. Add one for the end:
+1=
20.
Note: Also applies to trusses and joists.
CIRCLE AREA AND CIRCuMFERENCE
Find the area and circumference of a circle with a diameter of 625 mm:
KEYSTROKE DISPLAY
oo
0.
625MC
DIA 625.
MM
C
AREA 306796.16
SQ MM
C
CIRC 1963.495
MM
Page 22
Pocket RefeRence Guide — 20
ARC ANGLE OR DEGREE
Find the Arc Angle (or Degree of Arc), given a
1500 mm
Diameter and an Arc Length of
900 mm:
d = 1500 mm (Diameter)
900 mm
(Arc Length)
KEYSTROKE DISPLAY
1. Enter Circle diameter and Arc length:
oo
0.
1500MC
DIA 1500.
MM
900M
900
MM
2. Find Degree of Arc:
QC
ARC 68.75°
Page 23
Pocket RefeRence Guide
— 20
CONCRETE vOLuME FOR DRIvEWAY
Calculate the cubic meters of concrete required to pour a driveway that measures: 14 m long x 4 m wide x 125 mm deep. If concrete is $65 per cubic meter, what will it cost?
KEYSTROKE DISPLAY
oo
0.
14m
14
M
x4m
4
M
x125M=
7.
CU M
x65Q.
(Cost)
$455.
00
CONCRETE COLuMNS
You’re going to pour three columns, each of which has a Diameter of 1600 mm and a height of 3000 mm. How many Cubic Metres of concrete will you need for all three Columns?
KEYSTROKE DISPLAY
oo
0.
1. Enter the Diameter of a Circle:
1600MC
DIA 1600.
MM
2. Find the Surface Area of a Circle:
C
DIA 2010619
.30
SQ MM
3. Find total volume:
x3000M=
COL 6.031858
CU M
x3=
18.09557
CU M
Page 24
Pocket RefeRence Guide — 22
COMPLEX CONCRETE vOLuME
You’re going to pour an odd-shaped patio 115 mm deep with the dimensions shown below. First, calculate the total Area (by dividing the drawing into three individual rectangles) and then determine the total Yards of concrete required for this job.
A
B
C
11.6 m
1.8 m
2.6 m
8.7 m
2.75 m
2.9 m
KEYSTROKE DISPLAY
Clear the calculator
Qx
ALL CLEArEd
1. Find Area of Part “A” and add to Memory:
11.6m-1.8m=
9.800
M
x8.7m=
85.26
SQ M
n M+
85.26
SQ M
&
2. Find Area of Part “B” and add to Memory:
1.8m
1.8 M
&
Page 25
Pocket RefeRence Guide
— 22
x2.6m=
4.68
SQ M
&
n
M+ 4.68
SQ M
&
3. Find Area of Part “C” and add to Memory:
2.75m
2.75 M
&
x2.9m=
7.975
SQ M
&
n
M+ 7.975 M
&
4. Recall and Clear Total Area Stored in Memory:
LL
M+ 97.915
SQ M
5. Find Total Cubic Yards:
x115M=
11. 26023
CU M
RIGHT ANGLE / FRAMING
The top row of keys provides you with built-in solutions to Right Triangles. The solutions are available in any of the linear dimensions offered on the calculator. Thus, you can solve Right Triangles directly in Feet and Inches, Decimal Feet, Meters, etc.
Any value of a Right Triangle can be found given two of the four variables: 1) Rise, 2) Run, 3) Diagonal or 4) Pitch.
Page 26
Pocket RefeRence Guide — 24
Squaring-Up a Foundation
3.1 m
Square-Up (Diagonal)
4.75 m
Square-Up 4.75 m (Run) x 3.1 m (Rise):
KEYSTROKE DISPLAY
oo
0.
4.75mR
RUN 4.750
M
3.1mr
RISE 3.100
M
d
DIAG 5.672
M
PITCH — CONvERTING ROOF ANGLE
Find the % Grade, Slope and Pitch in mm if the roof angle is 30.25°:
KEYSTROKE DISPLAY
oo
0.
30.25p
PTCH 30.25°
p
%GRD 58.31828
p
SLP 0.583183
p
PTCH 7
INCH
M
17 7.75 41
MM
Page 27
Pocket RefeRence Guide
— 24
CONvERTING SLOPE
Find the Pitch in Inches and convert to mm, Pitch Degrees, and Percent Grade if the slope is 0.625:
KEYSTROKE DISPLAY
oo
0.
.625Qp
(Slope)
SLP 0.625
p
PTCH 7-1/2
INCH
M
190.5
MM
p
PTCH 32.01°
p
%GRD 62.5
COMMON RAFTER LENGTH
Find the point-to-point length of the Common rafter on a 175 mm pitched roof with a span of 8500 mm. What are the angle cuts?
KEYSTROKE DISPLAY
oo
0.
1. Enter Pitch:
175Mp
PTCH 175.
MM
2. Enter half the span as the run:
8500M*2=
4250.
MM
R
RUN 4250.
MM
3. Find the Rise:
r
RISE 2440.125
MM
4. Find the Length of the Common rafter:
d
DIAG 4900.684
MM
Page 28
Pocket RefeRence Guide — 26
REGuLAR HIP/vALLEY AND JACK RAFTERS
A roof’s Pitch is 225 mm and half the total span is 1800 mm. Find the lengths of the Common, Hip/Valley and Jack rafters. Also
ndtheincrementaljackadjustmentand
the cut angles. (Jack rafters at 400 mm On­center spacing.)
400 mm
KEYSTROKE DISPLAY
oo
0.
1. Find the Common rafter length:
1800MR
RUN 1800.
MM
225Mp
PTCH 225.
MM
d
(Common)
DIAG 2237.309
MM
2. Enter On-Center spacing
400MQ5
(o.c.)
OC
@
400.
MM
3. Find the Hip/Valley rafter length and cut angles; then the incremental jack adjustment, Jack rafter lengths and cut angles:
H
H/V 2871.507
MM
j
JKOC
@
400
M
j j j j j
IRREGuLAR HIP/vALLEY
A roof has a 225 mm Pitch, an irregular Pitch of 300 mm, and half the span is 2000 mm. Solve the Hip/Valley length. On-center spacing is 400 mm.
KEYSTROKE DISPLAY
oo
1. Find Common rafter length:
225Mp 2000MR d
2. Enter On-center spacing and irregular Pitch;
ndirregularHiprafter:
400MQ5
(o.c.)
300M QH
(lr/Pitch)
M H
RAKE-WALL – NO BASE
Find each stud size in a Rake-Wall with a peak of 1000 mm, and a length of 1500 mm. Use 400 mm as your On-center spacing:
Page 29
Pocket RefeRence Guide
— 26
j
JK 1 1740.129
MM
j
JK 2 1242.949
MM
j
JK 3 745.7696
MM
j
JK 4 248.5899
MM
j
JK 5 0.
MM
IRREGuLAR HIP/vALLEY
A roof has a 225 mm Pitch, an irregular Pitch of 300 mm, and half the span is 2000 mm. Solve the Hip/Valley length. On-center spacing is 400 mm.
KEYSTROKE DISPLAY
oo
0.
1. Find Common rafter length:
225Mp
PTCH 225.
MM
2000MR
RUN 2000.
MM
d
DIAG 2485.899
MM
2. Enter On-center spacing and irregular Pitch;
ndirregularHiprafter:
400MQ5
(o.c.)
OC
@
400.
MM
300M QH
(lr/Pitch)
IPCH 7-7/8
INCH
M
300.
MM
H
IH/V 2903.393
MM
RAKE-WALL – NO BASE
Find each stud size in a Rake-Wall with a peak of 1000 mm, and a length of 1500 mm. Use 400 mm as your On-center spacing:
Page 30
Pocket RefeRence Guide — 28
KEYSTROKE DISPL AY
oo
0.
1. Enter Rise and Run:
1000Mr
RISE 1000.
MM
1500MR
RUN 1500.
MM
2. Find stud lengths:
q
RWOC
@
400
MM
q RW 1 733.3333 MM q RW 2 466.6667 MM q
RW 3 200.
MM
q
BASE 0.
MM
3. Find Rake-Wall angle of incline:
q
RW 33.69°
STAIRS
Stairs — Given Rise and Run
You’re going to build a stairway that has a
oor-to-oorheightof3100mm,arunof3800
mm, and a desired riser height of 200 mm. Find the stair values:
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(cont’d)
KEYSTROKE DISPLAY
1. Enter Rise and Run:
oo
0.
3100Mr
RISE 3100.
MM
3800MR
RUN 3800.
MM
2. Enter 200 mm desired riser height, then
ndthestairvalues:
200M Q7
(Riser Ht)
R-HT
@
200.
MM
s
R-HT 194.
MM
s
RSRS 16.
s
R+/– 4.
MM
s
! T-WD 253.
MM
s
TRDS 15.
s
T+/– -5.
MM
s
STRG 4782.272
MM
s
INCL 37.48°
Stairs — Given Rise Only
You’re building a stairway with a total rise of 3000 mm. Using the default riser height of
200mmandtreadwidthof250mm,ndthe
stair values:
KEYSTROKE DISPLAY
1. Enter Rise and Run:
oo
0.
3000Mr
RISE 3000.
MM
2. Enter desired stair riser height:
Page 32
Pocket RefeRence Guide — 30
200M Q7
(Riser Ht)
R-HT
@
200.
MM
3. Enter desired stair tread width:
250M Q9
(Tread W)
T-WD
@
250.
MM
4. Find stair values:
s
R-HT 200.
MM
s
RSRS 15.
s
R+/– 0.
MM
s
T-WD
@
250.
MM
s
TRDS 14.
s
T+/– 0.
M
s
STRG 4482.187
MM
s
INCL 38.66°
APPENDIX
DEFAuLT SETTINGS
After a Clear All (
Qx
), your calculator will
return to the following settings:
STORED VALUES DEFAULT VALUE
Stair Riser Height
7-1/2 Inch
Stair Tread Width
10 Inch
On-center Spacing
16 Inch
Weight per Volume
1.5 Tons/Cu Yd
If you replace your battery or perform a Full Reset* (press
O
, hold down x and
press
o
), your calculator will return to the
following settings (in addition to those above):
(cont’d)
PREFERENCE SETTINGS DEFAULT VALUE
Fractional Resolution Area Display Volume Display Meter Linear Display Decimal Degree Display Fractional Mode
*Depressing the Reset button located above the
p key will also perform a Full Reset.
AuTO SHuT-OFF
Your calculator will shut itself off after about 8-12 minutes of non-use.
ACCuRACY/ERRORS
Accuracy/Display Capacity
Your calculator has a twelve digit display. This is made up of eight digits (normal display) and four fractional digits. You may enter or calculate values up to 19,999,999.99. Each calculation is carried out internally to twelve digits.
Errors
When an incorrect entry is made, or the answer is beyond the range of the calculator, it will display the word “ERROR.” To clear an error condition you must hit the once.
KEYSTROKE DISPLAY
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(cont’d)
PREFERENCE SETTINGS DEFAULT VALUE
Fractional Resolution
1/64
Area Display
Standard
Volume Display
Standard
Meter Linear Display
0.000
Decimal Degree Display
0.00°
Fractional Mode
Standard
*Depressing the Reset button located above the
p key will also perform a Full Reset.
AuTO SHuT-OFF
Your calculator will shut itself off after about 8-12 minutes of non-use.
ACCuRACY/ERRORS
Accuracy/Display Capacity
Your calculator has a twelve digit display. This is made up of eight digits (normal display) and four fractional digits. You may enter or calculate values up to 19,999,999.99. Each calculation is carried out internally to twelve digits.
Errors
When an incorrect entry is made, or the answer is beyond the range of the calculator, it will display the word “ERROR.” To clear an error condition you must hit the
o
button
once.
Page 34
Pocket RefeRence Guide — 32
(cont’d)
At this point you must determine what caused the error and re-key the problem.
Error Codes
OFLO
Overow (too large)
DIV Error
Divide by 0
DIM Error
Dimension error
None
Attempt to calculate stairs without entering Rise and Run
Auto-Range
If an “overow” is created because of an
input and calculation with small units that are out of the standard range of the display, the answer will be automatically expressed in the next larger units (instead of showing “ERROR”) — e.g., 20,000,000 mm is shown as
20,000 M. Also applies to Inches,
Feet and Yards.
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BATTERY
This model uses one (1) CR2016 battery (included). This should last approximately 800 hours of actual use (1 year plus for most people). Should your calculator display become very dim or erratic, replace the batter y.
While the calculator is off, turn the calculator over and use a #1 Phillips screwdriver to remove the battery holder screw located near the center at the top. With the screw removed, pull battery holder out, remove old battery, and slide new battery into holder. The negative side of the battery should be facing you as you insert the battery holder into the calculator. Replace screw using a #1 Phillips screwdriver.
Note: Please use caution when disposing of your old batteries as they contain hazardous chemicals.
Replacement batteries are available at most discount or electronics stores. You may also call Calculated Industries at 1-775-885-4900.
RESET
If your calculator should ever “lock up,” press Reset – a small hole located below the
p
key – to perform a total reset.
Page 36
Pocket RefeRence Guide — 34
AREA AND vOLuME FORMuLAS
Area Formulas
Page 37
Pocket RefeRence Guide
— 34
Volume Formulas
Page 38
Pocket RefeRence Guide — 36
REPAIR AND RETURN
RETuRN GuIDELINES
1. Please read the Warranty in this User’s Guide to determine if your Calculated Industries product remains under warranty before calling or returning any device for evaluation or repairs.
2. If your product won’t turn on, check the battery as outlined in the User’s Guide.
3. If you need more assistance, please go to the website listed below.
4. If you believe you need to return your product, please call a Calculated Industries representative between the hours of 7
a.m. and 4 p.m. Pacic Time for additional
information and a Return Merchandise Authorization (RMA).
Call Toll Free: 1-800-854-8075 Outside USA: 1-775-885-4900
www.calculated.com/warranty
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WARRANTY
Calculated Industries (“CI”) warrants this product against defects in materials and workmanship for a period of one (1) year from the date of original consumer purchase. If a defect exists during the warranty period, CI, at its option, will either repair (using new or remanufactured parts) or replace (with a new or remanufactured calculator) the product at no charge.
THE WARRANTY WILL NOT APPLY TO THE PRODUCT IF IT HAS BEEN DAMAGED BY MISUSE, ALTERATION, ACCIDENT, IMPROPER HANDLING OR OPERATION, OR IF UNAUTHORIZED REPAIRS ARE ATTEMPTED OR MADE. SOME EXAMPLES OF DAMAGES NOT COVERED BY WARRANTY INCLUDE, BUT ARE NOT LIMITED TO, BATTERY LEAKAGE, BENDING, A “BLACK INK SPOT” OR VISIBLE CRACKING OF THE LCD, WHICH ARE PRESUMED TO BE DAMAGES RESULTING FROM MISUSE OR ABUSE.
To obtain warranty service in the U.S., please go to the www.calculated.com
A repaired or replacement product assumes the remaining warranty of the original product or 90 days, whichever is longer.
Page 40
Pocket RefeRence Guide — 38
Non-Warranty Repair Service — U.S.A.
Non-warranty repair covers service beyond the warranty period, or service requested due to damage resulting from misuse or abuse.
Contact Calculated Industries at 1-775­885-4900 to obtain current product repair information and charges. Repairs are guaranteed for 90 days.
Repair Service — Outside the U.S.A.
To obtain warranty or non-warranty repair service for goods purchased outside the U.S., contact the dealer through which you initially purchased the product. If you cannot reasonably have the product repaired in your area, you may contact CI to obtain current product repair information and charges, including freight and duties.
Disclaimer
CI MAKES NO WARRANTY OR REPRESENTATION, EITHER EXPRESS OR IMPLIED, WITH RESPECT TO THE PRODUCT’S QUALITY, PERFORMANCE, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. AS A RESULT, THIS PRODUCT, INCLUDING BUT NOT LIMITED TO, KEYSTROKE PROCEDURES, MATHEMATICAL ACCURACY AND PREPROGRAMMED MATERIAL, IS SOLD “AS IS,” AND YOU THE PURCHASER ASSUME THE ENTIRE RISK AS TO ITS QUALITY AND PERFORMANCE.
IN NO EVENT WILL CI BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECT IN THE PRODUCT OR ITS DOCUMENTATION.
The warranty, disclaimer, and remedies set forth above are exclusive and replace all others, oral or written, expressed or implied. No CI dealer, agent, or employee
is authorized to make any modication,
extension, or addition to this warranty. Some states do not allow the exclusion or
limitation of implied warranties or liability for incidental or consequential damages, so the above limitation or exclusion may not apply to
you. This warranty gives you specic rights,
and you may also have other rights, which vary from state to state.
Page 41
Pocket RefeRence Guide
— 38
Disclaimer
CI MAKES NO WARRANTY OR REPRESENTATION, EITHER EXPRESS OR IMPLIED, WITH RESPECT TO THE PRODUCT’S QUALITY, PERFORMANCE, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. AS A RESULT, THIS PRODUCT, INCLUDING BUT NOT LIMITED TO, KEYSTROKE PROCEDURES, MATHEMATICAL ACCURACY AND PREPROGRAMMED MATERIAL, IS SOLD “AS IS,” AND YOU THE PURCHASER ASSUME THE ENTIRE RISK AS TO ITS QUALITY AND PERFORMANCE.
IN NO EVENT WILL CI BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECT IN THE PRODUCT OR ITS DOCUMENTATION.
The warranty, disclaimer, and remedies set forth above are exclusive and replace all others, oral or written, expressed or implied. No CI dealer, agent, or employee
is authorized to make any modication,
extension, or addition to this warranty. Some states do not allow the exclusion or
limitation of implied warranties or liability for incidental or consequential damages, so the above limitation or exclusion may not apply to
you. This warranty gives you specic rights,
and you may also have other rights, which vary from state to state.
Page 42
Pocket RefeRence Guide — 40
FCC CLASS B
This equipment has been certied to comply
with the limits for a Class B calculating device, pursuant to Subpart J of Part 15 of FCC rules .
LOOKING FOR NEW IDEAS
Calculated Industries, a leading manufacturer of special-function calculators and digital measuring instruments, is always looking for new product ideas in these areas.
If you have a new product idea, please visit our “Bright Idea” page at www.calculated. com/brightidea.asp. For suggestions about improving this product or other products, please visit us at www.calculated.com under “Contact Us.” Thank you.
4840 Hytech Drive
Carson City, NV 89706 U.S.A.
1-800-854-8075
Fax: 1-775-885-4949
E-mail: info@calculated.com
www.calculated.com
Page 43
Pocket RefeRence Guide
— 40
LOOKING FOR NEW IDEAS
Calculated Industries, a leading manufacturer of special-function calculators and digital measuring instruments, is always looking for new product ideas in these areas.
If you have a new product idea, please visit our “Bright Idea” page at www.calculated. com/brightidea.asp. For suggestions about improving this product or other products, please visit us at www.calculated.com under “Contact Us.” Thank you.
4840 Hytech Drive
Carson City, NV 89706 U.S.A.
1-800-854-8075
Fax: 1-775-885-4949
E-mail: info@calculated.com
www.calculated.com
Page 44
Designed in the United States of America.
PRG4050E-A
Printed in China
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