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.
ALL RIGHTS RESERVED.
Designed in the
United States of America
Printed in China
UG4045 -B
4/03
CONSTRUCTION MASTER
®
IV
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
T
HE
C
O STRUCTIO
User's Guide — 3
M
ASTER®
IV
Designed for today’s construction pro-
fessional, the Construction Master
®
IV
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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