Calculated Industries HeavyCalc User manual
For Today’s Excavation Professional
CONSTRUCTION MASTER
HEAVYCALC™
USER’SGUIDE
Introducing HeavyCalc . . . . . . . . . . . . . . . . . .3
Key Definitions . . . . . . . . . . . . . . . . . . . . . . 4
Basic Functions . . . . . . . . . . . . .4
Dimension Keys . . . . . . . . . . . . .6
Area/Volume & Angle Keys . . . . .9
Excavation/Volume Keys . . . . . .10
Additional Key Functions . . . . .12
Fractional Rounding Settings . . .13
Using the HeavyCalc . . . . . . . . . . . . . . . . . .14
Linear Dimensions . . . . . . . . . .14
Square and Cubic Dimensions . .15
Dimension Conversions . . . . . .16
Math Operations . . . . . . . . . . .19
Memory Operation . . . . . . . . . .22
Fraction Settings . . . . . . . . . . . .25
Paperless Tape Function . . . . . .27
Linear Calculations . . . . . . . . . .29
Area Calculations . . . . . . . . . . .31
Volume Calculations . . . . . . . . .32
Right Triangle Problems . . . . . .37
Basic Cut/Fill Solutions . . . . . . .42
Shrink & Swell Solutions – . . . . . .
Material Volume . . . . . . . . . .46
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . .50
Accuracy/Display . . . . . . . . . . .50
“Error” . . . . . . . . . . . . . . . . . . .50
Auto-Range . . . . . . . . . . . . . . .50
Battery and Auto Shut–off . . . .51
Full Reset/All–Clear . . . . . . . . .51
Warranty . . . . . . . . . . . . . . . . .52
TABLE OF CONTENTS
2 – HeavyCalc™
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 right in feet, inches, fractions and
cubic yards!
◆Solve Dimensional Math with Ease
◆Instant Dimensional Conversions
◆English/Metric Conversions
◆Weight/Volume Conversions
◆Calculate Square & Rectangular Areas
◆Determine Cubic Volumes
◆Determine % Grade and Slope
◆Determine Cut and Fill
◆Find Bank, Loose & Compact Volumes
◆Instant Square-Up (Diagonal) Solutions
◆Constant Add feature
◆Average Calculations
◆Material Estimations
◆Paperless Tape Register
INTRODUCING HEAVYCALC™
User’s Guide – 3
Basic Functions
[+] [–] [x] [÷] [=]
Math Operators —Used to calculate
math problems.
[%]
Percent — Four-function percent key.
0 – 9 and [ • ]
Numerical Digits and Decimal Point
Used for keying in numbers.
[Off]
Power Off— Turns all power off.
Resets the display and all non-perma-
nent registers.
[On/C]
On/Clear — Turns on power. One
press clears the last entry and display.
Two presses clear all temporary registers.
[Conv]
Convert —Used with dimensional
keys to convert among dimensions.
Dimensions can only be converted with-
in the same convention (i.e., linear,
square or cubic). Also used to access
special functions when used in combi-
nation with other keys.
KEY DEFINITIONS
4 – HeavyCalc™
[Cnst]
Constant – This key is used to store a
value permanently for use as a con-
stant in repeated calculations.
[Conv] [Cnst]
Square Root —Used to find the square
root of a non-dimensional or area
value.
[M+]
Memory Add —Adds the displayed
value to the Memory total in the sum-
mation register. The Memory total is
recalled by pressing [Rcl] [M+].
[Conv] [M+]
Memory Subtract —Subtracts the dis-
played value from Memory.
[Rcl]
Recall —Recalls values stored in any
register (i.e., press [Rcl] and then the
key you wish to display the value of).
[Rcl] [Rcl]
Memory Recall and Clear — Displays
and clears the value in memory.
[Conv] [Rcl]
Memory Clear — Clears Memory with-
out changing the display.
User’s Guide – 5
Dimension Keys
[Yds]
Yards —This is an entry and conver-
sion key (when used with [Conv]).
The entry can be a whole number or a
decimal number.
[Feet]
This is an entry and conversion key
(when used with [Conv]). The entry
can be in whole or decimal numbers.
This key can also be used in conjunc-
tion with the [Inch] and [/] keys for
entering values in Feet-Inch format.
For example, 6 feet 9-1/2 inches is
entered as follows: 6 [Feet] 9 [Inch] 1
[/] 2. Repeated presses of this key
during conversions will toggle
between Feet-Inch and Decimal Feet
formats.
[Inch]
This is an entry and conversion key.
The entry can be in whole or decimal
numbers. This key can also be used
with the [/] key for entering values in
Fractional Inch format. For example,
enter 9-1/2 inches as: 9 [Inch] 1 [/] 2.
Repeated presses of [Inch] during con-
versions, toggles between Fractional
Inch and Decimal Inch formats.
6 – HeavyCalc™
[ / ]
Fraction Bar —This key is used to
enter fractions. Fractions can be
entered as proper (1 or less – 1/2, 1/8,
1/16) or improper (greater than 1 –
3/2, 65/64). For example, to enter 1/2,
the key sequence would be: 1[/] 2.
If the denominator (the bottom num-
ber) is not entered, then the set frac-
tional level (1/16, 1/2, etc.) is used.
[Rcl] [/] displays the current fractional
setting.
[Rcl] [x]
Imperial/Metric Mode —Selects
either Imperial or Metric defaults for
the following settings: pitch, stair riser
height, and on-center spacing.
[Cu]
Cubic —This key is used with a
dimension key (feet, inches, yards,
meters, or millimeters) to identify a
volume value. Example: 5 [Cu] [Yds].
[Sq]
Square —This key is used with a
dimension key (feet, inches, yards,
meters, or millimeters) to identify an
area value. Example: 10 [Sq] [Feet].
User’s Guide – 7
[m]
Meters —This is an entry and conver-
sion key used to enter decimal meters
or, when used with [Conv], to convert
to decimal meters from some other
dimensional format.
[mm]
Millimeters —This is an entry and
conversion key used to enter decimal
millimeters or, when used with [Conv],
to convert to decimal millimeters from
another dimensional format.
[Weight]
This key is used to convert a dimen-
sioned cubic value or volume to a
weight value using the [Conv] key and
the stored Weight per Volume (see
below). For example, 5 [Cu] [Yds]
[Conv] [Weight] equals 7.5 tons, or 10
[Weight] (tons) [Conv] [Cu] [Yds]
equals 6.666667 cubic yards. Repeated
presses of this key, after a cubic entry
or conversion, toggles among tons,
pounds and kilograms.
[Conv] [%]
Weight per Volume —Used to set the
Weight per Volume. Can be pro-
grammed as Tons per Cubic Yard,
Pounds per Cubic Yard, or Kilograms
per Cubic Meter. Default is 1.5 Tons
per Cubic Yard. To set a different
weight per volume, for example, 2
8 – HeavyCalc™
Tons per Cubic Yard, press 2 [Conv]
[%]. Value will be permanently stored.
To recall stored value, press [Rcl] [%].
Area/Volume & Angle Keys
[Length]
Enters the value for length in dimen-
sion problems (e.g., for calculating
area or volume).
[Conv] [Length]
Square-up —Computes the diagonal,
or “square-up,” based on entered
length and width.
[Width]
Enters the value for width in dimen-
sion problems (e.g., for calculating
area or volume). Also computes width
from entered values of depth and per-
cent grade or slope.
[Conv] [Width]
Percent Grade —Used to enter and
display percent grade. Also computes
percent grade using entered values for
width and depth, or slope.
[Depth]
Enters the value for depth in dimen-
sion problems (e.g., for calculating
volume). Also computes depth from
entered values of width and percent
grade or slope.
User’s Guide – 9
[Conv] [Depth]
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 com-
putes slope using entered value for
width and depth, or percent grade.
Note: Only works with width. Does not
operate in conjunction with length.
[Vol]
Volume —Computes the volume (in
cubic yards) based on entered length,
width and depth values. A second
press will display the area (in square
feet) based on entered length and
width. Successive presses will toggle
the display between the calculated
area and volume.
[Conv] [Vol]
Area – Computes the area (in square
feet) based on entered length and
width.
Excavation/Volume Keys
[Cut/Fill]
Used to enter or calculate the cut or fill
amount (based on entries of proposed
and existing benchmarks). A fill is dis-
played as a positive value; a cut as a neg-
ative value.
10 – HeavyCalc™
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