P
ROJECTCALC
®
P
LUS
4840 Hytech Drive
Carson City, NV 89706 U.S.A.
1-800-854-8075 or 1-775-885-4900
Fax: 1-775-885-4949
E-mail: info@calculated.com
www.calculated.com
Model 8527
TABLE OF CONTENTS
Key Definitions ................................1
Basic Dimensional Math....................10
Linear Conversions ................................10
Square and Cubic Conversions ..............11
Basic Dimensional Math ........................11
“Square-up”/Diagonal ............................12
Project Examples-Using Default Values..12
Paint: Gallons, Quarts, or Pints of ..........12
Wallpaper: Rolls of..................................13
Tiles: Number of ....................................13
Custom Tiles: Number of - Using Other
Than Default Custom Size....................14
Deck: Number of Boards ........................15
Fence: Number of Fence Boards,
Posts and Rails....................................15
Board Feet: Lumber Estimation ..............16
Studs: Number of ..................................16
Roofing: Bundles of Roof Shingles ........17
Drywall: Number of 4’ x 8’ Sheets ..........17
Carpet: Length of ....................................17
Concrete: Bags of ..................................18
Bricks/Blocks: Number of, for a Wall......18
Gravel: Tons of........................................19
Mulch: Number of Bags..........................19
Finding the Cost of Materials ..............20
Auto Shut-Off and Batteries ................20
Repair and Return ..........................21
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OCKETREFERENCEGUIDE
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o - On/Clear Key
Turns power on. Pressing once
clears the display. Pressing twice
clears all temporary values.
Ç o - Off
Turns all power off, clearing all nonpermanent registers.
r - Recall
Recalls stored values.
+ – x ÷ =
Arithmetic operation keys.
0 - 9 and
•
Digits used for keying in numbers.
Dimensional Unit 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-Fraction values (e.g., 6
f 9 i 1 / 2 ). Repeated
presses during conversions toggle
between Feet-Inch-Fractions and
Decimal Feet.
KEY DEFINITIONS
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OCKETREFERENCEGUIDE
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i - Inch Key
Enters or converts to Inches. Entry
can be whole or decimal number.
Also used with the / key for entering
Fractional Inch values (e.g., 9i
1 / 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).
m - Meter Key
Enters or converts to Meters.
Convert Key Functions
Ç - Convert Key
Used with the dimensional unit keys
to convert between dimensions, the
Project Keys to calculate material
quantities, or with other keys to
access special functions.
Ç x -
CClleeaarr AAllll
Clears all stored values and sets calculator back to defaults.
Ç / - Percent
(%)
Four-function (+, -, x, ÷) percent
.
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OCKETREFERENCEGUIDE
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Ç – - Change Sign
(+ / -)
Toggles displayed value to positive or
negative. (Repetitive presses of Ç
– will change sign from positive or
negative.)
Ç ÷ - Square Root
Finds Square Root of value in display.
Ç + - x
2
Finds Square of value in display.
Ç s - Pi
(π)
Constant 3.141593.
Memory
s m
(M+)
- Adds or stores a value
in the semi-permanent memory (e.g.,
1 5 0 s m). Semi-permanent
means the value is cleared when the
calculator is turned off.
Ç – s m
(M-)
- Subtracts a
value from the semi-permanent
Memory (e.g., 1 5 0 Ç – s
m subtracts 150 from the memory).
r m
(M-R/C)
- Recalls Memory value
(e.g., if 150 has been stored in Memory,
pressing r m will display 150).
r r - Displays and clears Memory
value.
P
OCKETREFERENCEGUIDE
- 4
Entering Square or Cubic
To label a dimension as “Square” or
“Cubic,” enter the value, then press the
desired dimension key twice for
Square and three times for Cubic. For
example, to enter 25 Cubic Yards,
press 2 5 y y y.
Fraction Resolution
Your calculator is set to display Fractional
values to the nearest 16th of an Inch
(default setting). Press r / to access
the fraction resolution setting. Repeated
presses of / will then revolve through
the available settings: 1/16, 1/32, 1/64,
1/2, 1/4 and 1/8. Press o to exit.
Project Keys
p - Paint
Calculates volume of paint, based on
an entered area and a stored Paint
Coverage per Gallon (see below).
Finds quantity in Gallons, Quarts or
Pints upon repeated presses.
s p - Stores Paint Coverage
Stores Paint Coverage per Gallon. To
recall this setting, press r p.
Default is 350 sq.ft. per gallon.
P
OCKETREFERENCEGUIDE
- 5
w - Wallpaper
Calculates number of rolls of wallpaper,
based on an entered area and a stored
Wallpaper Roll Coverage Area (see
below).
s w - Stores Wallpaper Roll
Coverage Area
Stores Coverage Area (in Square
Feet) per Wall-paper Roll. To recall
this setting, press r w. Default
is 56 Square Feet per roll.
t - Tile
Finds the number of tiles, based on
an entered area and a user-stored
Grout Width (see below). Repeated
presses will scroll between numbers
of tiles for various “standard” tile
sizes (18”, 16”, 13”, 12”, 10”, 8”, 6”,
4”, 2”, 1” and 24”).
Note: Tile sizes shown in Inches, not Square
Inches (as used in custom tile size calculations).
In other words, a 6” tile is really 6” x 6”, or a 36
Square-Inch tile, but it is labeled as a 6” size.
s t - Stores Grout Width
Stores Grout Width in Inches; used in
calculating the number of tiles (see
above). To recall this setting, press
r t. Default is 0 (no grout width).
d - Deck
Finds the number of boards for a deck,
based on an entered area and a stored
Board Width or Board On-Center
(see below). Repeated presses will
scroll between numbers of boards for
various “standard” board lengths
(12’, 10’, 8’, 20’, 18’, 16’ and 14’).
s d - Stores Board Width/O.C.
Stores Board Width or Board On-center
for deck or fence calculations. To recall
this setting, press r d. Also used
to store the board On-center for Fence
Spacing. Default is 5-11/16 Inches.
F - Fence
Multi-function key that finds the
number of fence boards, number of
posts and number of rails based on
an entered distance, Board
Width/O.C. and post spacing.
s F - Stores Post Spacing
Stores Post Spacing On-center for
fence in Feet-Inches. To recall this setting, press r F. Default is 8 Feet.
Ç 7 - Board Feet
Calculates number of board Feet
based on entered volume. One board
foot equals 144 Cubic Inches.
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OCKETREFERENCEGUIDE
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P
OCKETREFERENCEGUIDE
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Ç8- Studs
Calculates number of studs, based on
an entered linear distance and a stored
On-Center Spacing (see below).
Note: Automatically adds one stud to the calcu-
lated answer to account for one on the end.
s 8 - Stores On-Center for Studs
Stores On-center spacing for studs in
Inches. To recall this setting, press
r8. Default is 16”.
Ç 9 - Roof Bundles
Calculates number of bundles of roof
shingles, based on an entered roof
area and a stored Area per Roof
Bundle (see below).
s 9 - Stores Area per Roof Bundle
Stores the Coverage Area per Roof
Bundle. To recall this setting, press
r 9. Default is 33.33 sq.ft.
Ç 4 - 4x8 Sheet
Calculates number of 4’ x 8’ sheets
(for drywall, paneling), based on
entered linear distance or area.
Ç 5 - Carpet
Calculates carpet length required (of
either 12’, 13’ or 15’-wide carpet rolls),
based on entered area. Repeated
presses of 5 will scroll between values
for 12’, 13’, and 15’ rolls.
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OCKETREFERENCEGUIDE
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Ç 6 - Custom Tile
Calculates number of tiles based on an
entered area and a stored Custom Tile
Size (see below). This is used separately from the regular Tile Key (t ).
Note: Calculation does not account for grout width
for custom tiles, so you will need to adjust for this.
s 6 - Stores Custom Tile Size
Stores Custom Tile Size in Square
Inches. To recall this setting, press
r 6. Default is 24 Square Inches.
Ç 1 - Concrete
Calculates the number of bags of concrete required, based on an entered volume (e.g., cubic feet or cubic yards) and
a stored Volume per Bag (see below).
s 1 -
Stores Concrete Volume per Bag
Stores the Volume per Bag of
concrete. To recall this setting, press
r 1. Default is 0.67 Cubic Feet
per bag (80 lbs.).
Ç 2 - Brick
Calculates the number of standard
eight Inch-size U.S. bricks (with 3/8”
mortar) based on entered linear
distance (or area, volume) for both
“face” (21-Square Inch) and “paver”
(32-Square Inch) brick applications.
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OCKETREFERENCEGUIDE
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Ç 3 - Block
Calculates the number of standard
128-Square Inch blocks (with 1/2”
mortar), based on an entered linear
distance or area and a stored Block
Area (see below).
s 3 - Stores Block Area
Stores Block Area in Square Inches.
To recall this setting, press r 3.
Default is 128 Square Inches
(includes 1/2” mortar).
Note: When calculating the number of blocks for
an entered length, calculator uses a 16-Inch block
length, as the majority of blocks are 16” long.
Ç 0 - Gravel
Calculates tons of gravel required, based
on an entered volume and a stored
Weight per Volume (see below).
s 0 - Stores Gravel Weight per
Volume
Stores the number of Tons per Cubic
Yard of gravel. To recall this setting,
press r 0. Default is 1.5 tons per
Cubic Yard.
Ç • - Cost
“Cost” function that allows you to calculate total material cost.
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OCKETREFERENCEGUIDE
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Ç = - Mulch
Calculates the number of bags of
mulch you’ll need, based on an
entered volume and a stored Volume
per Bag (see below).
s = - Stores Volume per Bag of
Mulch
Stores the Volume per Bag of mulch.
To recall this setting, press r =.
Default is 2 Cubic Feet per bag.
Linear Conversions
Convert 15 Feet 9-1/16 Inches to other
units of measure.
KEYSTROKE DISPLAY
o 0.
1 5 f 9 i 1 / 1 6
15
FEET 9-1/16 INCH
Ç f 15.75521 FEET
Ç i 189.0625 INCH
Ç y 5.251736 YD
Ç m 4.802187 M
Convert Decimal Inches to Fractional
Inches.
KEYSTROKE DISPLAY
o 0.
1 4 • 7 9 3 i 14.793
INCH
BASIC DIMENSIONAL MATH
Ç i 14-13/16 INCH
Square and Cubic Conversions
Convert 25 Square Feet to other
Square dimensions.
KEYSTROKE DISPLAY
o 0.
2 5 f f 25.
SQ FEET
Ç y 2.777778 SQ YD
Ç m 2.322576 SQ M
Convert 25 Cubic Feet to Cubic Yards.
KEYSTROKE DISPLAY
o 0.
2 5 f f f 25.
CU FEET
Ç y 0.925926 CU YD
Basic Dimensional Math
KEYSTROKE DISPLAY
o 0.
Adding Dimensions:
1 0 i + 2 f 5 i =
3
FEET 3 INCH
Subtracting Dimensions:
5 f – 1 i 3 / 4 =
4
FEET 10-1/4 INCH
Dividing Dimensions:
1 0 f ÷ 1 i 1 / 4 = 96.
(Cont’d)
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OCKETREFERENCEGUIDE
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P
OCKETREFERENCEGUIDE
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(Cont’d)
Multiplying Dimensions/Waste Factor
Allowance:
1 5 0 f f + 1 0 Ç /
(%)
165. SQ FEET
Finding Area/Square Feet:
2 f x 1 f 2 i =
2.333333
SQ FEET
Finding Volume/Cubic Feet:
5 f x 1 • 5 f x 2 i =
1.25
CU FEET
“Square-up”/Diagonal
“Square-up” (find the diagonal to ensure
a right angle) a concrete pad that has a
length of 10 Feet and a width of 20 Feet.
KEYSTROKE DISPLAY
o 0.
1 0 f Ç +
(x2)
+ 100. SQ FEET
2 0 f Ç +
(x2)
400. SQ FEET
= Ç ÷
()
22 FEET 4-5/16 INCH
Paint: Gallons, Quarts or Pints of
How many quarts of paint will you need
to cover a wall measuring 12’ x 8’? How
many pints? How many gallons?
PROJECT EXAMPLES - USING
DEFAULT VALUES
P
OCKETREFERENCEGUIDE
- 13
KEYSTROKE DISPLAY
o 0.
1 2 f x 8 f = 96. SQ FEET
p 1.10 QT
p 2.19 Pt
p 0.27 GL
You can store a custom paint coverage per
Gallon by entering the new value then pressing
s p (e.g., 2 5 0 f f s p).
Wallpaper: Rolls of
Find the number of wallpaper rolls
needed for a wall measuring 8’ x 12’.
KEYSTROKE DISPLAY
o 0.
8 f x 1 2 f = 96.
SQ FEET
w 1.71 ROLL
You can store a custom wallpaper coverage
area by entering the new value then pressing
s w (e.g., 6 0 f f s w).
Tiles: Number of
How many tiles do you need to cover a
floor measuring 10’ x 15’? You want a
grout width of 1/8”, but you’re not sure
of the tile size you’re going to use. So,
find the number of tiles in various sizes.
Also, add a 10% waste allowance, in
case you need extra tile.
(Cont’d)
P
OCKETREFERENCEGUIDE
- 14
(Cont’d)
Note: After converting to Tile, press thet key until
you reach the desired tile size. (The ProjectCalc
Plus lists 11 of the most popular tile sizes.)
KEYSTROKE DISPLAY
o 0.
1 / 8 s t
(Grout Width)
STOR 0-1/8 INCH GROUT
1 0 f x 1 5 f = 150. SQ FEET
+ 1 0 Ç /
(%)
165. SQ FEET
t 72.33 TILE (18 in)
t 91.38
TILE (16 in)
Continuous presses of t display the number of Tiles for the following additional sizes:
13”, 12”, 10”, 8”, 6”, 4”, 2”, 1”, 24”.
Custom Tiles: Number of - Using
Other Than Default Custom Size
How many tiles do you need if you’re
using a custom tile size of 4-1/4” x 4-1/4”
to cover a floor that is 10’ x 15’?
KEYSTROKE DISPLAY
o 0.
4 i 1 / 4 x 4 i
1 / 4 = s 6
(Custom Tile)
STOR TILE 18.06 SQ INCH
1 0 f x 1 5 f =150. SQ FEET
Ç 6
(Custom Tile)
1195.85 TILE
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OCKETREFERENCEGUIDE
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Deck: Number of Boards
Find the number of boards needed to
build a deck, if the deck area measures
7’ x 16’.
KEYSTROKE DISPLAY
o
00..
7 f x 1 6 f = 112.
SQ FEET
d 20. BDS (12 Ft)
d 24.
BDS (10 Ft)
d 30. BDS (8 Ft)
d 12.
BDS (20 Ft)
d 14.
BDS (18 Ft)
d 15.
BDS (16 Ft)
d 17.
BDS (14 Ft)
d*
STOR 5-11/16 INCH BD W
*Last press displays stored board width.
You can store a custom board On-center by
entering the new value then pressing s
d (e.g., 4 i s d).
Fence: Number of Fence Boards,
Posts and Rails
Find the number of fence boards, posts
and rails required to build a fence, if the
distance for the fence is 40’ 6”.
Note: The last two presses in the following example
will display stored post On-center and board width.
(Cont’d)
P
OCKETREFERENCEGUIDE
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(Cont’d)
KEYSTROKE DISPLAY
o 0.
4 0 f 6 i 40
FEET 6 INCH
F 86. BDS
F 7. POST
F 12. RL
F STOR 8 FEET 0 INCH POST OC
F STOR 5-11/16 INCH BD W
You can store a custom post On-center by
entering the new value then pressing s
F (e.g., 6 f s F).
Board Feet: Lumber Estimation
Find the total board Feet for three 2” x
4” x 14’ boards.
KEYSTROKE DISPLAY
o 0.
2 i x 4 i x 1 4 f =
1344.
CU INCH
Ç 7
(Bd Feet)
9.33 BD FEET
x 3 = 28.
Studs: Number of
How many 16” on-center studs are
required for a 15’6” wall?
KEYSTROKE DISPLAY
o 0.
1 5 f 6 i 15
FEET 6 INCH
Ç 8
(Studs)
13. ST*
P
OCKETREFERENCEGUIDE
- 17
*Automatically includes one stud for the end.
You can store a custom stud On-center by
entering the new value then pressing s
8 (e.g., 2 4 i s 8).
Roofing: Bundles of Roof Shingles
How many bundles of roof shingles will
you need to cover a 14’ x 11’ section of
roof?
KEYSTROKE DISPLAY
o 0.
1 4 f x 1 1 f =154.
SQ FEET
Ç 9 (Roof Bundle) 4.62 rF bn
You can store a custom roof bundle coverage
area by entering the new value then pressing
s 9 (e.g., 5 0 f f s 9).
Drywall: Number of 4’x 8’ Sheets
How many 4’ x 8’ drywall sheets do you
need for a wall measuring 16’ x 8’?
KEYSTROKE DISPLAY
o 0.
1 6 f x 8 f = 128.
SQ FEET
Ç 4
(4x8 Sheet)
4.00 Sh
Carpet: Length of
Find the quantity of carpet needed to
cover a floor that measures 12’ 6” x
10’ in area.
(Cont’d)
P
OCKETREFERENCEGUIDE
- 18
(Cont’d)
KEYSTROKE DISPLAY
o 0.
1 2 f 6 i x 1 0 f =
125.
SQ FEET
Ç 5
(Carpet)
13.89 SQ YD
5 10.42 FEET (12 Ft ROLL)
5 9.62
FEET (13 Ft ROLL)
5 8.33
FEET (15 Ft ROLL)
Concrete: Bags of
Find the number of bags of concrete for
a patio measuring 9’ x 15’ x 4”.
KEYSTROKE DISPLAY
o 0.
9 f x 1 5 f x 4 i =
45.
CU FEET
Ç 1
(Concrete)
67.50 BAG
You can store a custom concrete bag volume by entering the new value then pressing
s 1 (e.g., • 5 f f f s 1).
Bricks/Blocks: Number of, for a Wall
Find the number of bricks, both face
and paver, and concrete blocks needed
to build a 14’ x 8’ wall.
KEYSTROKE DISPLAY
o 0.
1 4 f x 8 f = 112.
SQ FEET
Ç 2
(Brick)
768.00 F br (face bricks)
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OCKETREFERENCEGUIDE
- 19
2 504.00 P br (paver bricks)
2 112.00
SQ FEET
Ç 3
(Block)
126.00 bL (blocks)
You can store a custom block area by
entering or solving for the new value then
pressing s 3 (e.g., 6 i x 1 6 i
= s 3).
Gravel: Tons of
How much gravel (in tons) do you need
to cover a 36’ x 11’ driveway 4” deep?
Note: Last two presses will display stored 1.5 Tons
per Cubic Yard (default setting) and convert
entered area (cu. ft) to Cubic Yards.
KEYSTROKE DISPLAY
o 0.
3 6 f x 1 1 f x 4 i =
132.
CU FEET
Ç 0
(Gravel)
7.33 TN
0 STOR 1.50 TN/CU YD
0 4.89 CU YD
You can store a custom tons per cubic yard
value by entering the new value, then pressing s 0 (e.g., 1 • 7 5 s 0).
Mulch: Number of Bags
Find the number bags of mulch you’ll need
to fill a volume of 2’ 6” x 12’ x 3” deep.
(Cont’d)
P
OCKETREFERENCEGUIDE
- 20
(Cont’d)
KEYSTROKE DISPLAY
o 0.
2 f 6 i x 1 2 f x 3 i =
7.5
CU FEET
Ç =
(Mulch)
3.75 BAG
You can store a custom mulch bag volume
by entering the new value, then pressing
s = (e.g., 3 f f f s =).
Cost of Concrete
How much will 216 Cubic Feet of concrete cost, if the Cost Per Cubic Yard
is quoted at $50?
KEYSTROKE DISPLAY
o 0.
2 1 6 f f f 216.
CU FEET
Ç y 8. CU YD
x 5 0 Ç •
(Cost)
400.
00
(It’ll cost approx. $400)
Reset
If your calculator should ever “lock up,” press
Reset - a small hole located above the F
key/upper right - using the end of a paper clip.
AUTO SHUT-OFF AND BATTERIES
FINDING THE COST OF MATERIALS
P
OCKETREFERENCEGUIDE
- 21
Auto Shut-Off and Batteries
Auto Shut-Off: After 8-12 minutes of non-use.
Power Source: Two LR-43 batteries and
Solar Cell.
Battery-Life: 575 hours of actual use.
To replace the batteries, use a small Phillip’s
head screwdriver and unscrew the single
screw in the center of the battery door, located
on the back of the calculator
Carefully remove the battery door, remove the
old batteries from the clips and replace them
with two new LR-43 batteries. Make sure the
positive sides (+) are facing up. Replace the
battery door and re-attach the screw.
For complete Warranty, Repair and Return
information, go to www.calculated.com
Software copyrighted and licensed to
Calculated Industries, by Construction Master
Technologies, LLC, 2007.
User’s Guide copyrighted by
Calculated Industries, 2007. ProjectCalc® and
Calculated Industries® are registered trademarks of
Calculated Industries, Inc.
ALL RIGHTS RESERVED
Designed in the U.S.A.
U.S. Patent 6,721,623
1/07
PRG8527E-A
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