Calculated Industries 4400 User Manual

RADESMAN CALC

TRADES MATH AND CONVERSION CALCULATOR

™

FAST. ACCURATE. RELIABLE.

Model 4400

Tradesman CalC™

The Tradesman Calc™ Trades Math and Conversion calculator is designed to be useful for both teaching technical trade math and for using on the job in a variety of settings requiring technical math. It is ideal for people working in math-oriented trades and for students and instructors needing an easy-to-use handheld calculator with applied math functions.

With the Tradesman Calc™ you can –

• Work in Architectural (ruler) fractions (1/4 inch, 1/16 inch, etc.), proper fractions (2/3), mixed number fractions (1-2/3) and improper fractions (5/3)

•

Solve dimensional math problems,

and convert between U.S. and metric dimensional math units

•

Solve angle and side problems with

trigonometry

•

Enter and solve circle, arc, radius,

hexagonal and polygonal dimensions

•

Convert between decimal and

fraction

•

Enter and solve ratios and

proportions

Pocket RefeRence Guide — 1

(cont’d)

•

Enter math equations using

parentheses

•

Work with exponents

Use it in the classroom or on the job for solving math and design problems in –

•

Welding

•

Metal Fabrication

•

Engineering

•

Automotive Service Technology

•

Aviation

•

Drafting

TaBle OF COnTenTs

GETTING STARTED

Key Denitions

Basic Function Keys 4

Dimensional Function Keys 5

Weight and Volume Keys 6

Trigonometric Function Keys 7

Miscellaneous Function Keys 8

Trades Math Function Keys 10

Setting Fractional Resolutions Preference Settings Calculating Percentages

13 15 18

Memory Operation Paperless Tape Operation Entering Dimensions and Units Conversions Basic Math Operations

USING THE TRADESMAN CALC

Right Triangle Functions Hex/Polygon Functions Arc and Circle Functions Ratio and Proportion Functions Basic D:M:S and

Trigonometry Examples

18 20 21 22 24

25 28

30 33 34

AppENDIx

Default Settings Auto Shut-Off Accuracy/Errors Battery Reset

REpAIR AND RETURN

wARRANTy

fCC CLASS b

LookING foR NEw IDEAS

Pocket RefeRence Guide — 3

39 39

40 40 42 42

GeTTinG sTarTed

You may want to practice getting a feel for your calculator keys by reading

through the key denitions and learning how to enter data, how to store values, etc., before proceeding to the examples.

kEy DEfINITIoNS

Basic Function Keys

+- * ,=

0-9

and

On/Clear Key — Turns o n power. Pressing once clears the last entr y and the display. Pressing twice clears all nonpermanent values.

Off — Turns all power off. Clears all non-permanent values.

Arithmetic operation keys.

Keys used for entering

numbers.

Percentage — Used to dene a

given percentage of a number.

Convert —

dimensional keys to convert between units or with other keys to access special functions.

Used with the

Dimensional Function Keys

Recall —

keys to recall stored values and settings.

Store —

values.

Accumulative Memory — Adds displayed value to

Accumulative Memory.

M- —

from Accumulative Memory.

Yards — Enters or converts to Ya rds.

Feet

to Feet as whole or decimal

numbers. Also used with

Feet-Inch values (e.g.,

9i1/2

presses during conversions toggle between fractional FeetInch and decimal Feet.

Inch – Enters or converts to

Inches. Also used with

for entering fractional Inch

values (e.g.,

Repeated presses during conversions toggle between fractional and decimal Inches.

Pocket RefeRence Guide — 5

Used with other

Used for storing

Subtracts displayed value

— Enters or converts

and / keys for entering

Repeated

9i1/2

6 f

(cont’d)

g 7

Weight and Volume Keys

Fraction Bar – 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 for a fractional

inch value, the calculator’s

fractional accuracy setting is automatically used for entered or calculated fractional inches.

Millimeters — Enters or

converts to millimeters.

Centimeters — Enters or

converts to centimeters.

Meters — Enters or converts to meters.

Board Feet (Bd Ft)

or converts cubic values to Board Feet.

Weight per Volume (wt/vol) – Stores a new Weight

per Volume as pounds per cubic foot or other format as shown below. Default value is

490 pounds per cubic foot of

steel.

• Pounds per cubic foot

• Pounds per cubic inch

• Metric tons per cubic meter

• Kilograms per cubic meter

— Enters

Trigonometric Function Keys

g s

Pounds (lbs) — Enters or

converts a weight or volume value to Pounds.

Dry Ounces (dr y oz) — Enters

or converts a value to Dr y Ounces.

Ton s — Enters or converts a

weight or volume value to Tons.

Kilograms (kg) — Enters or

converts a weight or volume value to kilograms.

Grams — Enters or converts a weight or volume value to grams.

Metric Tons — Enters or

converts a weight or volume value to metric tons.

Sine — Calculates the Sine

of an entered degree or unitless value.

Arcsine

— Calculates the

angle for the entered or calculated Sine value.

Cosine (Cos) — Calculates the Cosine of an entered degree or unitless value.

Pocket RefeRence Guide — 7

(cont’d)

g c

Miscellaneous Functions

gG gD x

Arccosine — Calculates the angle for the entered or calculated Cosine value.

Tan gen t

the Tangent of an entered degree or unitless value.

Arctangent — Calculates the angle for the entered or calculated Tangent value.

Open parenthesis key.

Close parenthesis key.

Squares the value in the dis play.

Calculates the square root of the number in the display.

xy —

value other than x

root.

root value.

Reciprocal (1/x) – Finds the

reciprocal of a number (e.g.,

8g,=

(Tan) — Calculates

Enters an exponential

1/y

—

Enters the exponential

0.125).

or square

g % g= g+

Clear All — Returns all stored values to the default settings. Does not af fect Preference settings.

Change Sign (+/–) — displayed value between negative and positive value.

Preference settings

Paperless tape

Pi — Displays value of

(3 .1415927 ) .

Decimal to Fractional

(Dec ► Frac)

value in display from decimal to fractional.

An additional press of /

provides the Least Common

Denominator (lCd) display,

calculating the LCD for the displayed fraction.

Fractional to Decimal

(Frac ► Dec)

value in display from fractional to decimal.

Degrees Fahrenheit (°F) —

Enters or converts to degrees Fahrenheit.

—

Conver ts

—

Conver ts

Tog g l e

Pocket RefeRence Guide — 9

(cont’d)

Trades Math Function Keys

Degrees Celsius (°C) —

Enters or converts to degrees Celsius.

Adjacent — Enters or

calculates the Adjacent (horizontal) leg of a right triangle. Calculates Adjacent

value given two other righttriangle values. Unitless entries assumed Inches in U.S. mode; millimeters in Metric mode.

Opposite — Enters or calculates the Opposite

(vertical) leg or height of a right

triangle. Calculates Opposite value given two other righttriangle values. Unitless entries assumed Inches in U.S. mode; millimeters in Metric mode.

Hypotenuse — Enters or calculates the Hypotenuse

(diagonal) of a right triangle.

Calculates Hypotenuse value given two other righttriangle values. Unitless entries assumed Inches in U.S. mode; millimeters in Metric mode.

g p

Angle — Enters or calculates

an Angle, providing the Adjacent Angle for both instances. Calculates an Angle given two

other right-triangle values.

X — Enters or calculates the

x value of a ratio. Calculates x

value given a Ratio and y value.

Y — Enters or calculates the y value of a ratio. Calculates y

value given a Ratio and x value.

X:Y — Enters or calculates a ratio. Calculates the Ratio

given values for x and y.

Arc — Enters Arc Length or Arc Angle. Calculates Arc Length, Arc Angle, Chord Length, Arc Height, Radius and Arc Area given any two of the following values: Arc Angle/ Length, Diameter/Radius, Chord Length and Arc Height. Arc

solutions cannot be solved for

the following cases: Arc Length

and either Chord Length or

Arc Height.

Pocket RefeRence Guide — 11

(cont’d)

Diameter — Enters a Diameter

(Circle) or Outside Diameter (Polygon). Unitless entries

assumed Inches in U.S. mode; millimeters in Metric mode.

Calculates circle Area and

Circumference given entered Diameter. Calculates Diameter given entered Radius.

Hex/Polygon — Enters number

of Sides of a Polygon. A

multifunction key that calculates

Interior Angle, Exterior Angle, Side Length, Outside Diameter, Inside Diameter, Perimeter and Area of a Polygon, given the number of Sides, and either Side Length, Outside Diameter

or Inside Diameter. Default

number of Sides is 6.

Radius — Enters or calculates a Radius. Unitless entries assumed Inches in U.S. mode; millimeters in Metric mode. Calculates Radius given entered Diameter.

SETTING fRACTIoNAL RESoLUTIoNS

Inside Diameter — Enters or calculates the Inside Diameter of a Polygon. Unitless entries assumed Inches in U.S. mode; millimeters in metric mode. Calculates Inside Diameter given number of Sides and either Side Length or Outside Di amete r.

Side Length — Enters or calculates the Side Length of a Polygon. Unitless entries assumed Inches in U.S. mode; millimeters in metric mode. Calculates Side Length given number of Sides and either Inside or Outside Diameter.

The Tradesman Calc is set to display

fractional Inch answers in 64ths of an Inch. All examples in this User’s Guide are based on 1/64". However,

you may select Fractional Resolution

to be displayed in other formats (e.g., 1/16", 1/32", etc.). The methods for

permanently and temporarily changing Fractional Resolution are shown in the following sections.

Pocket RefeRence Guide — 13

(cont’d)

Permanently Set Fractional Resolution

To permanently set the Fractional

Resolution, you must be in

Setting mode.

KeYsTrOKe di sP l aY

Access Preference Settings:

Toggle through available Fractional

Resolutions:

+ + + + +

(repeats options)

3. To permanently set the Fractional Resolution you have selected above, press displayed Fractional Resolution and exit Preference settings.

KeYsTrOKe di sP l aY

(or any key) to set the

Preference

FRAC 0-1/64

FRAC 0-1/2 FRAC 0-1/4

FRAC 0-1/8 FRAC 0-1/16 FRAC 0-1/32 FRAC 0-1/64

inCh*

4. To recall your selected Fractional Resolution:

* 1/64" is the default setting. The display may differ from the example depending on what the resolution is currently set to.

STD 0-1/64

inCh

+ 35 hidden pages