Calculated Industries 4320 User guide

Brand: Calculated Industries

Model: 4320

Category: Calculators

Type: User guide

This manual is also suitable for

Construction Master IV

Calculated Industries 4320 is a powerful and versatile calculator designed for professionals in excavation and heavy construction. It offers a range of features that make it easy to solve complex dimensional math problems involving feet, inches, fractions, and cubic yards. With its intuitive interface and comprehensive functionality, the 4320 can help you increase accuracy, save time, and streamline your workflow. Some of its key capabilities include:

Dimension conversions: Easily convert between feet, inches, fractions, yards, meters, and millimeters.
Area and volume calculations: Quickly calculate areas of rectangles and squares, as well as volumes of rectangular solids and cylinders.

Dimension conversions: Easily convert between feet, inches, fractions, yards, meters, and millimeters.
Area and volume calculations: Quickly calculate areas of rectangles and squares, as well as volumes of rectangular solids and cylinders.

This equipment has been certified to comply

with the limits for a Class B computing device,

pursuant to Subpart J of Part 15 of FCC rules.

Software copyrighted and licensed to

Calculated Industries, Inc. by

Construction Master Technologies, LLC, 2004.

Pocket Reference Guide copyrighted by

HeavyCalc™ is a trademark, and

Construction Master® and Calculated Industries® are

registered trademarks of Calculated Industries, Inc.

CALCULATED INDUSTRIES®

4840 Hytech Drive

Carson City, NV 89706 U.S.A.

1-800-854-8075 Fax: 1-775-885-4949

E-mail: [email protected]

www.calculated.com

Designed in the USA

Printed in China

4320PRG-E-A

6/04

Pocket Reference Guide

➡

Insert This

Direction

ONSTRUCTION

ASTER

EAVY

ALC

™

ADVANCED FEET-INCH-FRACTION CALCULATOR

Model 4320

POCKET REFERENCE GUIDE — 1

Designed for today’s excavation and heavy

construction professional, the

Construction

Master

HeavyCalc

adds even more power

to the

Construction Master

line-up. As with

earlier models, this calculator is so simple

to use, even the novice will find it easy to

solve hundreds of dimension-related prob-

lems in Feet, Inches, Fractions and Cubic

Yards!

• Solve Dimensional Math with Ease

• Instant Dimensional Conversions

• Imperial/Metric Conversions

• Weight/Volume Conversions

• Calculate Square and Rectangular Areas

• Find Cubic Volumes

• Determine % Grade and Slope

• Solve Cut and Fill

• Find Bank, Loose and Compact Volumes

• Instant Square-Up (Diagonal) Solutions

• Constant Add Feature

• Calculating Averages

• Material Estimations

• Paperless Tape

HEAVYCALC

™

4320PRG-E-A 6/16/04 7:53 AM Page 1

POCKET REFERENCE GUIDE — 2

GETTING STARTED...............................3

Key Definitions.....................................3

Fractional Settings.............................11

Entering Dimensions .........................12

Conversions.......................................13

Basic Math Operations......................15

Percentage Calculations....................17

Memory Operation.............................18

Paperless Tape..................................20

USING THE HEAVYCALC....................22

Linear Division...................................22

Linear Addition...................................22

Area Calculations ..............................23

Volume Calculations..........................24

Right Triangle Problems....................29

Basic Cut/Fill Solutions......................34

Shrink and Swell Solutions —

Material Volume

.............................38

APPENDIX ............................................42

Accuracy/Errors.................................42

Battery and Auto Shut-Off .................44

Full Reset/All Clear............................44

Default Settings.................................44

Area Formulas...................................45

Surface Area and Volume Formulas..46

REPAIR AND RETURN.........................47

Warranty, Repair and Return

Information.......................................47

WARRANTY..........................................48

TABLE OF CONTENTS

4320PRG-E-A 6/16/04 7:53 AM Page 2

POCKET REFERENCE GUIDE — 3

KEY DEFINITIONS

Basic Function Keys

+ – x Arithmetic operation keys.

÷ =

Percent Key

— Four-func-

tion (+, –, x, ÷) percent key.

0 – 9 Keys used for entering

and • numbers.

Off Key

— Turns all power

off, clearing all non-perma-

nent registers.

On/Clear Key

— Turns on

power. Pressing once clears

the display. Pressing twice

clears all temporary values.

Convert Key

— Used with

the dimensional keys to

convert between dimen-

sions or with other keys to

access special functions.

Constant Key

— This key

stores a value permanently.

Used as a constant in

repeated calculations.

GETTING STARTED

4320PRG-E-A 6/16/04 7:53 AM Page 3

POCKET REFERENCE GUIDE — 4

Ç c

Square Root

— Used to

find the Square Root of a

non-dimensional or area

value.

Memory Add Key

— Adds

the displayed number to the

value stored within the

semi-permanent Memory.

Ç µ

Memory Minus

—

Subtracts the displayed

value from Memory.

Recall Key

— Recalls val-

ues stored in any register.

® µ displays the value

in Memory.

® ®

Memory Display/Clear

—

Displays the value in Memory

and clears the register.

Ç ®

Memory Clear

— Clears

the Memory without chang-

ing the current display.

Dimension Keys

Yards Key

— This is an

entry and conversion key.

The entry can be a whole

number or a decimal num-

ber. Used with the Ç key

converts any other dis-

played dimensioned num-

ber to Yards.

4320PRG-E-A 6/16/04 7:53 AM Page 4

POCKET REFERENCE GUIDE — 5

Feet Key

— Enters or con-

verts to

Feet

as whole or

Decimal numbers. Also

used with the i and /

keys for entering Feet-Inch

values (e.g., 6 f 9 i

1 / 2). Repeated press-

es during conversions tog-

gle between Decimal Feet

and Feet-Inch-Fractions.

Inch Key

— Enters or con-

verts to

Inches

. Entry can

be whole or Decimal num-

bers. Also used with the /

key for entering Fractional

Inch values (e.g., 9 i 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). If the denomina-

tor (bottom) is not entered,

the calculator's fractional

accuracy setting is automat-

ically used.

4320PRG-E-A 6/16/04 7:53 AM Page 5

POCKET REFERENCE GUIDE — 6

Cubic Key

— This key is

used with a dimension key

(Feet, Inches, Yards,

Meters, etc.) to identify a

value as being a volume.

Example:

5 C y

Square Key

— This key is

used with a dimension key

(Feet, Inches, Yards,

Meters, etc.) to identify a

value as being an area.

Example:

1 0 S f

Meter Key

— Enters or

converts to

Meters.

Millimeter Key

— Enters or

converts to

Millimeters.

Weight Key

— Enters or

converts (a volume value) to

Tons, Pounds

Kilograms

Repeated presses will cycle

through these units.

Ç %

Weight/Volume

— Enters

or converts the

Weight

per Volume

setting as

Tons/Yard

, Lbs/Yd

kg/m

. Repeated presses

will cycle through these

settings.

4320PRG-E-A 6/16/04 7:53 AM Page 6

POCKET REFERENCE GUIDE — 7

Area/Volume Keys

Length Key

— Enters the

value for Length in dimen-

sion problems (e.g., for cal-

culating Area or Volume).

Note: this key is also used to

enter the length for “Square-

Ups.”

Ç l

Square-Up

— Calculates

the Diagonal, or “Square-

Up,” based on entered

Length and Width.

Width Key

— Enters the

value for Width in dimension

problems (e.g., calculating

Area or Volume).

Note: this key is also used to

enter the width for “Square-Ups.”

Ç W

Percent Grade

— Used to

enter and/or solve Percent

Grade. Calculates Percent

Grade using entered values

for Width and Depth or

Slope.

Depth Key

— Enters the

value for Depth in dimen-

sion problems. Calculates

Depth from entered values

of Width and Percent

Grade or Slope.

4320PRG-E-A 6/16/04 7:53 AM Page 7

POCKET REFERENCE GUIDE — 8

Ç d

Slope

— Used to enter

Slope as a ratio of Run per

Unit Rise (e.g., 4:1), or in

Decimal Degrees (e.g.,

10°). Also calculates Slope

using entered value for

Width and Depth or Percent

Grade.

Volume Key

— Computes

the Volume (Length x Width

x Depth) in Cubic Yards

based on entered Length,

Width and Height values. A

second press will display

the area (in Square Feet)

based on entered Length

and Width. Successive

presses will toggle the dis-

play between the calculated

Area and Volume.

Ç v

Area

— Computes the area

in Square Feet based on

entered Length and Width.

Excavation/Volume Keys

F Used to enter or calculate

the cut or fill amount. Based

on entries of proposed and

existing benchmarks. A fill

is displayed as a positive

value; a cut as a negative

value.

4320PRG-E-A 6/16/04 7:53 AM Page 8

POCKET REFERENCE GUIDE — 9

Existing Key

— Used to

enter or calculate an exist-

ing benchmark, Grade or

value.

Proposed Key

— Used to

enter or calculate a pro-

posed benchmark, Grade

or value.

Bank Volume Key

—

Enters or calculates the vol-

ume for bank fill material.

Bank fill is material in an

untouched, pristine state.

Compacted Volume Key

— Enters or calculates the

volume for compacted fill

material. Compacted fill is

material that has been

compacted.

Ç ç

% Shrink

— Enters or

recalls percent shrink factor

for converting between bank

and compacted fill volumes.

Loose Volume Key

—

Enters or calculates the vol-

ume for loose fill material.

Loose fill is material that

has been disturbed or

excavated.

Ç L

% Swell

— Enters or recalls

the percent swell factor used

for converting between

bank and loose volumes.

4320PRG-E-A 6/16/04 7:53 AM Page 9

POCKET REFERENCE GUIDE — 10

Additional Functions

Ç ÷

Reciprocal

— 1/x function.

Ç x

All Clear (AC)

— Clears all

values, including Memory.

Resets all permanent set-

tings to defaults.

Ç +

Pi (

)

— Constant = 3.141593.

Ç –

Positive/Negative Toggle

(+/–)

— Toggles the sign of

the displayed value between

positive and negative.

® =

Paperless Tape

—

Accesses the paperless

tape mode.

® x

Imperial/Metric Mode

—

Selects either Imperial or

Metric defaults for weight.

Ç •

Per

— Allows you to com-

pute a total material cost

given a unit dimension and

an entered Per Unit Cost.

Ç 0

Degrees

— Used for enter-

ing Slopes that are in

Decimal Degrees instead

of a ratio.

4320PRG-E-A 6/16/04 7:53 AM Page 10

POCKET REFERENCE GUIDE — 11

FRACTIONAL SETTINGS

Setting Fractional Accuracy

When your calculator is in a default condi-

tion (battery change or full reset), it is set

to round fractional values to the nearest

1/16th of an Inch. The fractional level can

be revised by using the following key-

strokes:

Ç 1 = Accuracy set to 1/16”

Ç 2 = Accuracy set to 1/2”

Ç 3 = Accuracy set to 1/32”

Ç 4 = Accuracy set to 1/4”

Ç 6 = Accuracy set to 1/64”

Ç 8 = Accuracy set to 1/8”

A star (★) will appear in the bottom left of

the display when the calculator is turned

on, if the setting is different from the

default. The fractional setting can be dis-

played at any time by pressing ® /.

Normal Fractional Mode

The default,

Normal Mode

(Ç 7),

reduces a fraction to its lowest common

denominator (for example, 8/16 rounds to

1/2). If a fraction is entered having a higher

fractional accuracy than the current setting,

the setting will be temporarily revised to

the level of accuracy of the entered value.

4320PRG-E-A 6/16/04 7:53 AM Page 11

POCKET REFERENCE GUIDE — 12

Fixed Fractional Mode

In the

Fixed Mode

(Ç 9), fractional

results are displayed in the set fractional

value, not reduced. Entries of higher accu-

racy values will be rounded to the nearest

Fraction of the accuracy setting (for exam-

ple, for a Fraction level setting of 1/16, an

entry of 5 / 3 2 = will result in a dis-

play of 3/16).

ENTERING DIMENSIONS

Linear Dimensions

When entering Feet-Inch values, enter

dimensions from largest to smallest —

Feet before Inches, Inches before

Fractions. Enter Fractions by entering the

numerator (top), pressing / (Fraction Bar

key) and then the denominator (bottom).

Note: If a denominator is not entered, the frac-

tional setting value is used.

Examples of how linear dimensions are

entered:

DIMENSION KEYSTROKES

5 Yards 5 y

5 Feet 1-1/2 Inch 5 f 1 i 1 / 2

17.5 Meters 1 7 • 5 m

4320PRG-E-A 6/16/04 7:53 AM Page 12

POCKET REFERENCE GUIDE — 13

Square and Cubic Dimensions

Examples of how Square and Cubic

dimensions are entered:

DIMENSION KEYSTROKES

5 Cubic Yards 5 C y

130 Square Feet 1 3 0 S f

33 Square Meters 3 3 S m

CONVERSIONS

Linear Conversions

Convert 14 Feet to other dimensions:

KEYSTROKE DISPLAY

1 4 f...

Ç y 4.666667

f* 14 FEET 0 INCH

f 14. FEET

i 168. INCH

M 4267.2 MM

m 4.2672 M

Square Conversions

Convert 14 Square Feet to other Square

dimensions:

KEYSTROKE DISPLAY

1 4 S f...

Ç i 2016.

SQ INCH

y* 1.555556 SQ YD

m 1.300643 SQ M

M 1300643. SQ MM

* When performing conversions,

only has to

be pressed once.

4320PRG-E-A 6/16/04 7:53 AM Page 13

POCKET REFERENCE GUIDE — 14

Cubic Conversions

Convert 14 Cubic Feet to other Cubic

dimensions:

KEYSTROKE DISPLAY

1 4 C f...

Ç i 24192. CU INCH

y 0.518519 CU YD

m 0.396436 CU M

M* 0.396436 CU M

* The calculator’s Auto-Range function forced

the answer to be in Meters, as it is out of the

calculator’s normal seven-digit range (see Auto-

Range on page 43).

Weight Conversions

Convert 25 Tons to other weights:

KEYSTROKE DISPLAY

2 5 w...

Ç w 50000. LB

w 22679.62 kG

w 25.Ton

Weight per Volume Conversions

Your calculator has the capability of con-

verting between Weight and Volume. The

Weight/Volume ratio is permanently stored

by entering the value and pressing Ç

%. The default value is 1.5 Tons per Cubic

Yard.

(Cont’d)

4320PRG-E-A 6/16/04 7:53 AM Page 14

POCKET REFERENCE GUIDE — 15

(Cont’d)

Find the weight of 15 Cubic Yards at 1.75

Tons per Cubic Yard, then convert to other

weights:

KEYSTROKE DISPLAY

1 • 7 5 Ç % 1.75 Ton per CU YD

1 5 C y...

Ç w 26.25 Ton

w 52500. LB

w 23813.61 kG

w 26.25 Ton

BASIC MATH OPERATIONS

Your calculator uses standard chaining

logic, which simply means that you enter

your first value, the operator (+, –, x,

÷), the second value and then the Equal

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 sim-

ple to use for dimensional applications:

(Cont’d)

4320PRG-E-A 6/16/04 7:53 AM Page 15

POCKET REFERENCE GUIDE — 16

(Cont’d)

Adding Dimensions

Add 11 Inches to 2 Feet 1 Inch:

KEYSTROKE DISPLAY

1 1 i + 2 f 1 i = *36 INCH

* The format of the first value entered determines

the answer format.

can be used to change to

any format desired, provided convention is main-

tained.

Subtracting Dimensions

Subtract 3 Feet from 11 Feet 7-1/2 Inches:

KEYSTROKE DISPLAY

1 1 f 7 i 1 / 2 – 3 f =

FEET 7-1/2 INCH

Multiplying Dimensions

Multiply 5 Feet 3 Inches by 11 Feet 6-1/2

Inches:

KEYSTROKE DISPLAY

5 f 3 i x 1 1 f

6 i 1 / 2 = 60.59375

SQ FEET

Dividing Dimensions

Divide 30 Feet 4 Inches by 7 Inches:

KEYSTROKE DISPLAY

3 0 f 4 i ÷ 7 i = 52.

Divide 20 Feet 3 Inches by 9:

KEYSTROKE DISPLAY

2 0 f 3 i ÷ 9 = 2 FEET 3 INCH

4320PRG-E-A 6/16/04 7:53 AM Page 16

POCKET REFERENCE GUIDE — 17

PERCENTAGE CALCULATIONS

The Percent key (%) can be used for finding

a given percent of a number or for working

add-on, discount or division percentage

calculations. It can be used with any type

of number, in any dimension (Feet, Inch,

Millimeter, etc.) and any type of convention

(non-dimensioned, Linear, Square or

Cubic).

Computing Percentages

Find 18% of 500 Feet:

KEYSTROKE DISPLAY

5 0 0 f x 1 8 % 90 FEET 0 INCH

Add 10% to 137 Square Feet:

KEYSTROKE DISPLAY

1 3 7 S f + 1 0 % 150.7 SQ FEET

Take 20% from 552 Feet 6 Inches:

KEYSTROKE DISPLAY

5 5 2 f 6 i – 2 0 %

442 FEET 0 INCH

Divide 350 Cubic Yards by 80%:

KEYSTROKE DISPLAY

3 5 0 C y ÷ 8 0 % 437.5 CU YD

4320PRG-E-A 6/16/04 7:53 AM Page 17

POCKET REFERENCE GUIDE — 18

MEMORY OPERATION

Whenever the µ key is pressed, the dis-

played value will be added to the Memory.

Other Memory functions:

FUNCTION KEYSTROKES

Add to Memory µ

Subtract from Memory Ç µ

Recall total in Memory ® µ

Display/Clear Memory ® ®

Clear Memory Ç ®

Replace Memory Ç ® µ

Memory is semi-permanent, clearing only

when you:

1) Turn off the calculator;

2) Press ® ®;

3) Press Ç ®;

4) Press Ç x

(all clear)

Examples:

KEYSTROKE DISPLAY

3 5 5 µ 355.

2 5 5 µ 255.

7 4 5 Ç µ 745.

® ® – 135.

1 0 f 5 i µ 10 FEET 5 INCH

5 f 3 i µ 5 FEET 3 INCH

® ® 15 FEET 8 INCH

4320PRG-E-A 6/16/04 7:53 AM Page 18

POCKET REFERENCE GUIDE — 19

Averaging

The Memory Key (µ) is also capable of

displaying the average and totals as well

as the number (count) of values entered.

This is achieved by repeated presses of

µ after recalling the stored total value

in Memory.

Example:

KEYSTROKE DISPLAY

1 µ 1.

2 µ 2.

3 µ 3.

4 µ 4.

5 µ 5.

® µ 15.

µ AVG 3.

µ CNT 5.

® ® 15.

4320PRG-E-A 6/16/04 7:53 AM Page 19

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Calculated Industries 4320 User guide

Brand: Calculated Industries

Model: 4320

Category: Calculators

Type: User guide

This manual is also suitable for

Construction Master IV

Dimension conversions: Easily convert between feet, inches, fractions, yards, meters, and millimeters.
Area and volume calculations: Quickly calculate areas of rectangles and squares, as well as volumes of rectangular solids and cylinders.

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Calculated Industries 4320 User guide

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Calculated Industries 4320 User guide

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