Calculated-industries 4315 User Manual

For Today’s Excavation ProfessionalCONSTRUCTION MASTERHEAVYCALC™USER’S GUIDE

[Conv] [Depth]Slope — Used to enter slope as a ratioof run per unit rise (e.g., 4:1), or indecimal degrees (e.g., 10°). Also com-putes slope using ent

[Exist]Existing — Used to enter or calculatean existing benchmark, grade or value.[Prop]P ro p o s e d — Used to enter or calculate ap roposed benchma

Additional Key Functions[Conv] [ ÷ ]Reciprocal — 1/x function.[Conv] [ x ]All Clear — Clears all values includingMemory. Resets all permanent regis-te

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]

Linear DimensionsTo enter dimensional values, enter thel a rgest dimension first – feet before inch-es, inches before fractions. Enter frac-

Square and Cubic DimensionsS q u a r e and cubic dimensions areentered in the following order:1) Numerical Value2) Convention – Square or Cubic3)

Dimension ConversionsNote: Before doing the following exercis -es, make sure the calculator is set to facto -ry defaults. To do this, press [Conv] [x]

Square ConversionsConvert 14 square feet to other squaredimensions:Note: When converting values, [Conv]only has to be pressed once.Keystrokes Display[

Weight ConversionsConvert 25 tons to other weights:Keystrokes Display[On/C] [On/C] 0.25 [Weight] . . . 25 TON [Conv] [Weight] 50000 LB[Weight] 22679.6

Math OperationsYour calculator uses standard chaininglogic. This means that you enter yourfirst value, the operator (+, –, x, ÷), thesecond value, the

Introducing HeavyCalc . . . . . . . . . . . . . . . . . .3Key Definitions . . . . . . . . . . . . . . . . . . . . . . 4Basic Functions . . . . . . .

Subtracting DimensionsSubtract 3 feet from 11 feet 7-1/2 inches:11 [Feet] 7 [Inch] 1 [/] 2 [–] 3 [Feet] =] 8 FT 7-1/2 INSubtract 32 inches from 81 in

Percentage CalculationsThe Percent [%] key is used to find apercent of a number or for workingadd-on, discount or division percent-ages. It can be use

Memory OperationWhenever using the Memory Function,the following keys enable you to add,subtract, and recall values stored inmemory:[M+] adds the disp

How to Use the Memory FunctionKeystrokes Display1. 355 [M+] 355. [Rcl] [Rcl] 355. 2. 355 [M+] 355. 255 [M+] 255.745 [Conv] [M+] 745.[Rcl] [Rcl] – 135.

AveragingThe Memory Key ([M+]) is also capa-ble of displaying the average andtotals as well as the number (count) ofvalues entered. This is achieved b

Fraction SettingsWhen your calculator is in a defaultcondition (battery change or fullreset), it is set to round fractional val-ues to the nearest

Normal Fractional ModeThe default, Normal Mode ([Conv] 7),reduces a fraction to its lowest com-mon denominator (for example, 8/16reduces to 1/2). If a

Paperless Tape FunctionThe Paperless Tape allows you to re v i e wthe last 20 entries of a calculation. Toaccess this function pre s s [Rcl] [=

Important: To clear the paperless tapepress [On/C] twice, or press off.Previewing Paperless Tape 1. Enter a string of numbers:4 [Feet] [+] 4 FT 0 IN5

Linear CalculationsSpacing CalculationYou have a 78 feet 6 inch length plotwhich you want to divide into five equalspaces. What is the length of

Designed for today’s excavation andheavy construction professional, theConstruction Master HeavyCalc™ addseven more power to the ConstructionMaster li

Building Perimeter You are measuring a building perime-ter with the following measurements:32 feet, 25 feet 5-1/2 inches, 19 feet, 5feet 6-1/2 inches,

Area CalculationsArea of a RectangleWhat is the area of a plot measuring112 feet 6 inches by 151 feet 8 inches?Steps/Keystrokes Display1. Clear calcul

Volume CalculationsSimple Concrete VolumeYou need to calculate the cubic yards ofc o n c r ete re q u i r ed for pouring a driveway.The measureme

Topsoil VolumeYou are measuring a building perime-ter for calculating topsoil excavation. Ifthe building measurements are 45 feetby 23 feet, and the d

Complex Concrete VolumeThe patio below is 4-1/2 inches deep.Find the total area (divide the drawinginto three rectangles). Second, find thetotal yards

4. Enter length, width and find area “B”4 [Feet] 2 [Inch] [Length]8 [Feet] 6 [Inch] [Width][Conv] [Vol] 35.41667 SQ FT5. Add to Memory[M+]6. Enter len

Trench VolumeYou’re digging a trench that is 6 feetdeep, 24 inches wide and 345 feetlong. Find the volume of soil re m o v e d .Steps/Keystrokes Displ

Right Triangle ProblemsThe calculator’s top row of keys providesbuilt-in solutions to square-up, drop, per-cent grade and slope problems.Square-up is

Squaring a Concrete SlabAssume you want to square-up the formsfor a concrete foundation measuring 45 feet6 inches by 24 feet 4 inches. In order for th

Finding Lot WidthWhat is the width of a lot that has a 5degree slope and a total drop of 2 feet? Step/Keystroke Display1. Clear calculator[On/C] [On/

Basic Functions[+] [–] [x] [÷] [=]Math Operators — Used to calculatemath problems.[%]Percent — Four-function percent key.0 – 9 and [ • ]Numerical Digi

Finding Drop or FallWhat is the total drop over 25 feet fora 4:1 slope? For a 5 degree slope? Fora 5% grade?Steps/Keystrokes Display1. Clear calculato

Finding Slope Ratio/Percent Grade What is the slope ratio and percentgrade of a lot that drops 3 feet 6 inch-es over 20 feet?Step/Keystroke Display1.

Basic Cut/Fill SolutionsFinding Cut or Fill–Exercise 1Find the cut/fill marks or changes of ele-vations for a lot with a proposed eleva-tion of 4.0 f

Finding Cut or Fill – Exercise 2Find the cut/fill marks for a lot that hasa proposed elevation of 15.5 feet, andthe following existing elevations: 17.

8. Find 3rd Cut/Fill[Cut/Fill] – 10 FT CUTSolve for 4th Cut/Fill mark 9. Enter 4th existing elevation11.8 [Feet] [Exist]10.Find 4th Cut/Fill[Cut/Fill]

3. Find total[Rcl] [M+] 308 FT4. Find average[M+] 77 FT Solve for Cut or Fill5. Enter average as existing elevation[=] [Exist]6. Enter proposed eleva

Shrink & Swell Solutions —Material VolumeT h e H e a v y C a l c is able to convertamong Bank Fill, Compacted Fill andLoose (or trucked) Fill s

3. Solve for volume[Vol] 194.4444 CU YD4. Enter as Bank Volume[=] [Bank]Solve Loose Fill Volume5. Enter 15% swell factor15 [Conv] [Loose]6. Find Loose

Finding Trucked Volume/Weight–Both Swell & Shrink FactorsYou need to move wet sand from onelocation to another that requires a 4-inch fully compac

6. Enter unit weight1.55 [Conv] [%]7. Recall Bank Volume[Bank] 128.6008 CU YD8. Find weight[Weight] 199.3313 TON9. Reset calculator[Conv] [x] 0.User’

[Cnst]Constant – This key is used to store avalue permanently for use as a con-stant in repeated calculations.[Conv] [Cnst]Square Root — Used to find

A c c u r a c y / D i s p l a y – Your calculator hasan eleven digit display. This is made upof seven digits (normal display) and fourdigits for the f

played because it is out of the 7-digitdisplay, so 10,000 meters will be dis-played instead. This auto-ranging alsoapplies to other dimensional units,

Calculated Industries, Inc. (“CII”) war-rants this product against defects inmaterials and workmanship for a periodof one (1) year from the date

A re p a i red or replacement pro d u c tassumes the remaining warranty of theoriginal product or 90 days, whichever isl o n g e r.Non-warranty

CII M A K E S N O WA R R A N T Y O R R E P R E S E N TAT I O N,E I T H E R E X P R E S S O R I M P L I E D, W I T H R E S P E C T T O T H EP R O D U C

This equipment has been certified tocomply with the limits for a Class B com-puting device, pursuant to Subpart J ofPart 15 of FCC rules.Looking for

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Dimension Keys[Yds]Yards — This is an entry and conver-sion key (when used with [Conv]).The entry can be a whole number or adecimal number.[Feet]This

[ / ]Fraction Bar — This key is used toenter fractions. Fractions can beentered as proper (1 or less – 1/2, 1/8,1/16) or improper (greater than 1

[m]Meters — This is an entry and conver-sion key used to enter decimal metersor, when used with [Conv], to convertto decimal meters from some otherdim

Tons per Cubic Yard, press 2 [Conv][%]. Value will be permanently stored.To recall stored value, press [Rcl] [%].Area/Volume & Angle Keys[Length]E