Calculated Industries Construction Master IV Manuale utente

Software copyrighted and licensed to

Calculated Industries by

Construction Master Technologies,

LLC, 2003

Construction Master IV ser’s Guide

Copyrighted by Calculated Industries,

2003

Construction Master® and

Calculated Industries® are

registered trademarks

of Calculated Industries, Inc.

Designed in the

United States of America

Printed in China

UG4045 -B

4/03

CONSTRUCTION MASTER

For Today's Construction Professional

User’s Guide

2 — Construction Master IV

Table of Contents

The Construction Master

IV ..........2

GETTI G STARTED..........................4

Key Definitions/Functions...............4

Fractional Settings .......................12

ntering Dimensions ....................13

Basic Math Operations .................16

Percentage Calculations ..............18

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

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

EXAMPLES .....................................22

Linear Calculations.......................22

Area Calculations .........................24

Volume Calculations ....................27

Volume/Weight Calculations .......31

Board Feet/ Lumber Calculations .32

Right-Triangle Calculations .........33

Hip/Valley & Jack Rafters.............39

Stair Problems (Risers/Treads) ...43

Circle Problems............................46

Appendix A .....................................47

Battery & Auto Shut-Off................47

Default Values..............................47

Appendix B .....................................48

Repair and Return ..........................50

Warranty .........................................51

O STRUCTIO

User's Guide — 3

ASTER®

Designed for today’s construction pro-

fessional, the Construction Master

is so simple, even the novice user will

find it easy to solve hundreds of di-

mension-related problems right in feet,

inches and fractions!

♦ Solve Dimensional Math

♦ nglish/Metric Conversions

♦ Calculate Areas/Volumes

♦ Solve Right-Triangle Problems

♦ Find Regular and Irregular Hip,

Valley and Jack Rafters

♦ Calculate Stair Risers, Treads

and Stringers

♦ Solve Raked Wall Stud Lengths

♦ Volume/Weight Conversions

♦ stimate Board Feet

♦ Find Circular Areas,

Circumferences and Arcs

♦ Material stimations

♦ Paperless Tape Function

♦ And much, much more!

— Construction Master IV

GETTI G

STARTED

Key Definitions/Functions

Basic Function Keys

[+] [–] [x] [÷] [=]

Arithmetic operation keys.

[%]

Four-function percent key.

[0] – [9] and [ • ]

Digits used for keying-in numbers.

[Off] — Off Key

Turns all power off, clearing all non-

permanent registers.

[On/C] — On/Clear Key

Turns on power. Pressing once

clears the display. Pressing twice

clears all temporary values.

[Conv] — Convert Key

Used with the dimensional keys to

convert between dimensions or with

other keys to access special func-

tions.

[] — Square Root Key

Used to find the square root of a

non-dimensional or area value.

User's Guide — 5

[Conv] [ ] — x2 Function

Finds the square of a linear or non-

dimensional value.

[M+] — Memory Key

Adds the displayed value to Mem-

ory. Clears when the calculator is

shut off.

[Conv] [M+] — Memory Minus (M–)

Subtracts the displayed value from

Memory.

[Conv] [Rcl] — Memory Clear

Clears Memory without changing

current display.

[Rcl] — Recall Key

Used with other keys to recall stored

values and settings.

[Rcl] [x] — Imperial/Metric Mode

Changes the defaults of the calcula-

tor by setting to Imperial ( nglish) or

Metric mode. Note: This setting is

not affected by the ALL CLEAR

function.

Dimension Keys

[Weight] — Weight Key

nters or converts (a volume value)

to tons, pounds, metric tons or kilo-

grams. Repeated presses will cycle

through these units.

6 — Construction Master IV

[Conv] [%] — Weight/Volume

nters or converts the Weight per

Volume setting as Tons/Yard³,

Lbs/Yd³, Lb/Ft³, Metric Ton/m³ or

kg/m³. Repeated presses will cycle

through these settings.

[Cu] — Cubic Key

Defines a volume (e.g., 5 [Cu]

[Yds]).

[Sq] — Square Key

Defines an area (e.g., 5 [Sq]

[Feet]).

[Yds] — Yards Key

nters or converts to yards.

[Feet] — Feet Key

nters or converts to feet as whole

or decimal numbers. Also used with

the [Inch] and [/] keys for entering

Feet-Inch values (e.g., 6 [Feet] 9

[Inch]

1 [/] 2). Repeated presses toggle

between Feet-Inch and Decimal

Feet.

[Inch] — Inch Key

nters or converts to inches. ntry

can be whole or decimal numbers.

Also used with the [/] key for enter-

ing fractional inch values (e.g., 9

[Inch] 1 [/] 2). Repeated presses

User's Guide — 7

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.

[m] — Meter Key

nters or converts to meters.

[cm] — Centimeter Key

nters or converts to centimeters.

[mm] — Millimeter Key

nters or converts to millimeters.

[Bd Ft] — Feet Key

nters or converts cubic values to

board feet. One board foot is equal

to 144 cubic inches (1 foot x 1 foot x

1 inch).

Right Triangle/Rafter Keys

[Pitch]

This key is used to enter or calcu-

late the pitch (slope) of a roof (or

right triangle). Pitch is the amount of

"Rise" over 12 inches (1 meter, if

metric) of "Run." Pitch may be en-

tered as:

8 — Construction Master IV

a dimension 9 [Inch] [Pitch]

an angle 30 [Pitch]

a ratio 0.75 [Conv] [Pitch]

a percentage 75 [%] [Pitch]

A pitch entry will remain in perma-

nent storage until revised or reset. A

solution will be replaced by its en-

tered value once the calculator is

cleared.

[Rise] — Rise Key

nters or calculates the rise or verti-

cal leg (height) of a right triangle.

[Run] — Run Key

nters or calculates the run or hori-

zontal leg (base) of a right triangle.

[Diag] — Diagonal Key

nters or calculates the common or

diagonal leg (hypotenuse) of a right

triangle. Typical applications are

“squaring" slabs or finding common

rafter lengths.

[Conv] [Diag] — Rake Walls

This function finds the decreasing

stud sizes in a raked wall based on

computed or entered values for

pitch, rise and/or run. Repeated

presses display stud sizes from

longest to shortest.

User's Guide — 9

The on-center spacing of a raked

wall can be permanently stored by

entering a dimension prior to solving

for stud sizes (12 [Inch] [Conv]

[Diag]). Default on-center spacing is

16 inches (Metric Mode: 600 mm).

[Hip/V] — Hip/Valley Rafter Key

Finds the regular or irregular hip/

valley rafter length. If an irregular

pitch is entered, the irregular hip/

valley rafter length is displayed, oth-

erwise the regular (45º) hip/ valley

rafter length is displayed.

[Conv] [Hip/V] — Irregular Pitch

nters and displays the irregular

pitch value used to calculate lengths

of the irregular hip/valley and jack

rafters.

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