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™

[Exist]
Existing —Used to enter or calculate
an existing benchmark, grade or value.
[Prop]
Proposed — Used to enter or calculate a
proposed benchmark, grade or value.
[Bank]
Bank Volume —Enters or calculates
the volume for bank fill material. Bank
fill is material in an untouched, pris-
tine state.
[Comp]
Compacted Volume — Enters or calcu-
lates the volume for compacted fill
material. Compacted fill is material
that has been compacted.
[Conv] [Comp]
% Shrink —Enters or recalls percent
shrink factor for converting between
bank and compacted fill volumes.
[Loose]
Loose Volume —Enters or calculates
the volume for loose fill material.
Loose fill is material that has been dis-
turbed (excavated).
[Conv] [Loose]
% Swell —Enters or recalls the percent
swell factor used for converting
between bank and loose volumes.
User’s Guide – 11

Additional Key Functions
[Conv] [ ÷ ]
Reciprocal — 1/x function.
[Conv] [ x ]
All Clear — Clears all values including
Memory. Resets all permanent regis-
ters to default settings (weight per vol-
ume and fraction set).
[Conv] [ + ]
Pi (π)— Constant = 3.141593.
[Conv] [ – ]
+/– Toggles the sign of the displayed
value between positive and negative.
[Rcl] [ = ]
Tape —Accesses the paperless tape
mode.
[Conv] [ • ]
Per —Allows you to compute a total
material cost given a unit dimension
and an entered “Per Unit Cost”.
[Conv] [ 0 ]
Degrees —Used for entering slopes
that are in decimal degrees instead of
a ratio.
12 – HeavyCalc™

Fractional Rounding Settings
[Conv] 1
Fraction set to 1/16
[Conv] 2
Fraction set to 1/2
[Conv] 3
Fraction set to 1/32
[Conv] 4
Fraction set to 1/4
[Conv] 6
Fraction set to 1/64
[Conv] 8
Fraction set to 1/8
[Conv] 7
Fraction set to “Normal Mode” (reduces
to the lowest common denominator).
[Conv] 9
Fraction set to “Fixed Mode” (denomi-
nator value always fixed or remains
the same as fractional setting).
[Conv] [ / ]
Toggles the flashing fraction feature
on/off. The flashing denominator
reflects the current fractional setting.
User’s Guide – 13

Linear Dimensions
To enter dimensional values, enter the
largest dimension first – feet before inch-
es, inches before fractions. Enter frac-
tions by entering the numerator (value
above the line), pressing [ / ] and then
the denominator (value below the line).
Note: If no denominator is entered, the
default fraction setting is used. The exam -
ples below show how to enter linear
dimensions:
Dimension Keystrokes
5 Feet 5 [Feet]
1/2 Inch 1 [ / ] 2
5 Feet 1 Inch 5 [Feet] 1 [Inch]
5 Feet 1-1/2 Inch 5 [Feet] 1 [Inch] 1 [ /] 2
10 Yards 10 [Yds]
17.5 Meters 17.5 [m]
Note: Yards, meters and millimeters may
only be entered as whole values (5 yards)
or decimal values (5.5 meters), and not in
combination with feet and inches or them -
selves (5 meters, 8 millimeters). If a prob -
lem contains such a dimension, convert the
yards (or meters) to “feet-inches” then add
dimensions.
USING THE HEAVYCALC
14 – HeavyCalc™

Square and Cubic Dimensions
Square and cubic dimensions are
entered in the following order:
1) Numerical Value
2) Convention – Square or Cubic
3) Unit – Meters, Yards, Feet, Inches
Note: Feet–Inch format cannot be used to
directly enter square or cubic values. By
definition, this display format is a linear
measurement. However, the area or vol -
ume can be found through simple multipli -
cation.
The following examples show how to
enter square and cubic dimensions:
Dimensions Keystroke
5 Cubic Yards 5 [Cu] [Yds]
130 Square Feet 130 [Sq] [Feet]
33 Square Meters 33 [Sq] [m]
User’s Guide – 15

Dimension Conversions
Note: Before doing the following exercis -
es, make sure the calculator is set to facto -
ry defaults. To do this, press [Conv] [x].
ALL SAMPLEEXERCISESIN THISMANUAL AREBASED
ON DEFAULT VALUES UNLESS OTHERWISE STATED.
Linear Conversions
Convert 14 feet to other linear dimen-
sions:
Keystrokes Display
[On/C] [On/C] 0.
14 [Feet] . . .
[Conv] [Yds] 4.666667 YD
[Conv] [Feet] 14 FT 0 IN
[Conv] [Inch] 168 IN
[Conv] [mm] 4267.2 MM
[Conv] [m] 4.2672 M
Note: In the last conversion to “mm” the
answer displays as “meters.” This will
occur whenever the answer is beyond the
calculator’s normal 7-digit range.
16 – HeavyCalc™

Square Conversions
Convert 14 square feet to other square
dimensions:
Note: When converting values, [Conv]
only has to be pressed once.
Keystrokes Display
[On/C] [On/C] 0.
14 [Sq] [Feet] . . .
[Conv] [Inch] 2016 SQ IN
[Yds] 1.555556 SQ YD
[m] 1.300643 SQ M
Cubic Conversions
Convert 14 cubic feet to other cubic
dimensions:
Keystrokes Display
[On/C] [On/C] 0.
14 [Cu] [Feet] . . .
[Conv] [Inch] 24192 CU IN
[Yds] 0.518519 CU YD
[m] 0.396436 CU M
User’s Guide – 17

Weight Conversions
Convert 25 tons to other weights:
Keystrokes Display
[On/C] [On/C] 0.
25 [Weight] . . . 25 TON
[Conv] [Weight] 50000 LB
[Weight] 22679.62 kG
[Weight] 25 TON
Weight per Volume Conversions
Your calculator has the capability of
converting between weight and vol-
ume. The weight/volume ratio is per-
manently stored by entering the value
and pressing [Conv] [%]. The default
value is 1.5 tons per cubic yard.
Find the weight of 15 cubic yards at
1.75 tons per cubic yard, then convert
to other weights:
Keystrokes Display
[On/C] [On/C] 0.
1.75 [Conv] [%] 1.75 Ton Per CU YD
15 [Cu] [Yds] . . . 15 CU YD
[Conv] [Weight] 26.25 TON
[Weight] 52500 LB
[Weight] 23813.61 kG
[Weight] 26.25 TON
18 – HeavyCalc™

Math Operations
Your calculator uses standard chaining
logic. This means that you enter your
first value, the operator (+, –, x, ÷), the
second value, then the (=) sign.
3 [+] 2 [=] 5
3 [–] 2 [=] 1
3 [x] 2 [=] 6
3 [÷] 2 [=] 1.5
This feature also makes it easier to
solve dimensional problems.
Adding Dimensions
Add 7 feet 3-1/2 inches to 11 feet 4 inches:
7 [Feet] 3 [Inch] 1[/] 2 [+]
11 [Feet] 4 [Inch] [=] 18 FT 7-1/2 IN
Add 11 inches to 2 feet 1 inch:
11 [Inch] [+] 2 [Feet] 1 [Inch] [=] 36 IN
Add 2 feet 1 inch to 11 inches:
2 [Feet] 1 [Inch] [+]
11 [Inch] [=] 3 FT 0 IN
Note: The format of the first value you
enter determines the format of the answer.
However, with the [Conv] key you can
change to any format you want, provided
that you maintain convention.
User’s Guide – 19

Subtracting Dimensions
Subtract 3 feet from 11 feet 7-1/2 inches:
11 [Feet] 7 [Inch] 1 [/] 2
[–] 3 [Feet] =] 8 FT 7-1/2 IN
Subtract 32 inches from 81 inches:
81 [Inch] [–] 32 [Inch] [=] 49 IN
Multiplying Dimensions
Multiply 5 feet 3 inches by 11 feet 6-1/2 inches:
5 [Feet] 3 [Inch] [x]
11 [Feet] 6 [Inch] 1 [/] 2
[=] 60.59375 SQ FT
Multiply 2 feet 7 inches by 10 :
2 [Feet] 7 [Inch] [x] 10 [=] 25 FT 10 IN
Dividing Dimensions
Divide 30 feet 4 inches by 7 inches:
30 [Feet] 4 [Inch] [÷] 7 [Inch] [=] 52
Divide 20 feet 3 inches by 9:
20 [Feet] 3 [Inch] [÷] 9 [=] 2 FT 3 IN
20 – HeavyCalc™