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Pocket Reference Guide➡➡Insert ThisDirectionCONSTRUCTION MASTER®HEAVYCALC™PROADVANCED FEET-INCH-FRACTION CALCULATORModel 4325

POCKET REFERENCE GUIDE — 6Miscellaneous Functionsa Backspace Key.Ça ( ) Square Root.®= Paperless Tape.ÇS Preference Settings.Ç÷ (1/x) Reciprocal — Fin

POCKET REFERENCE GUIDE — 7Ç8 Degrees — Enters or con-verts to degrees.Ç6 Tons (tons) — Enters orconverts to Tons.Ç4 Pounds (lbs) — Enters orconverts t

POCKET REFERENCE GUIDE — 8PREFERENCE SETTINGSPress Ç, then S, then keep pressingS to toggle through the main settings.Press the + key to advance withi

POCKET REFERENCE GUIDE — 9Fifth press Meter Linear Displays:of S: --0.000 M+ --FLOAt M (floating point)+ --0.000 M (repeats options)Sixth press De

POCKET REFERENCE GUIDE — 10ENTERING DIMENSIONSLinear DimensionsWhen entering Feet-Inch values, enterdimensions from largest to smallest — Feetbefore I

POCKET REFERENCE GUIDE — 11CONVERSIONSLinear ConversionsConvert 10 Feet 6 Inches to other dimen-sions, including Metric:KEYSTROKES DISPLAY10f6i 10 FEE

POCKET REFERENCE GUIDE — 12Weight ConversionsConvert 25 Tons to other Weights:KEYSTROKES DISPLAY25Ç6(tons) 25 TonÇ4(lbs) 50000. LBÇ1(kg) 22679.62 kGÇ3

POCKET REFERENCE GUIDE — 13BASIC MATH OPERATIONSYour calculator uses standard chaining logic, which simply means that you enter your first value, the

POCKET REFERENCE GUIDE — 14Dividing DimensionsDivide 30 Feet 4 Inches by 7 Inches:KEYSTROKES DISPLAY30f4i÷7i= 52.Divide 20 Feet 3 Inches by 9:KEYSTROK

POCKET REFERENCE GUIDE — 15MEMORY OPERATIONWhenever the µ key is pressed, the displayed value will be added to the Memory. Other memory functions:FUNC

Designed for today’s excavation and heavyconstruction professional, the all-newHeavyCalc Pro adds even more power tothe already powerful Construction

POCKET REFERENCE GUIDE — 16Using Memory Storage Keys (M1 - M3)In addition to the standard cumulativeMemory (as previously described), yourcalculator h

POCKET REFERENCE GUIDE — 17PAPERLESS TAPEThe Paperless Tape allows you to displayand review the last 20 entries of a calcula-tion. ®=accesses the tape

POCKET REFERENCE GUIDE — 18LENGTH, WIDTH, AND HEIGHT KEYSUsing the Multi-Function W Key tofind Area, Square-Up, and PerimeterFind the Area, Square-up

POCKET REFERENCE GUIDE — 19VOLUME CALCULATIONSSimple Concrete VolumeYou need to calculate the Cubic Yards ofconcrete required for pouring a driveway.T

POCKET REFERENCE GUIDE — 20Topsoil VolumeYou are measuring a building perimeter forcalculating topsoil excavation. If the build-ing measurements are 4

POCKET REFERENCE GUIDE — 21Complex Concrete VolumeYou’re going to pour an odd-shaped patio4-1/2 Inches deep with the dimensions asshown. First, calcul

POCKET REFERENCE GUIDE — 22(Cont’d)KEYSTROKES DISPLAY2. Find Area “A” and add to Memory:38f2i-4f2i=lLNTH 34 FEET 0 INCH27fWWDTH 27 FEET 0 INCHW AREA 9

POCKET REFERENCE GUIDE — 23Trench VolumeYou’re digging a trench that is 345 Feetlong, 24 Inches wide and 6 Feet deep.Find the Volume of soil removed.K

POCKET REFERENCE GUIDE — 24RIGHT TRIANGLE PROBLEMSThe calculator’s top two rows of keysinclude built-in solutions to Square-up,Drop, Percent Grade and

POCKET REFERENCE GUIDE — 25Squaring-up a Concrete SlabAssume you want to “Square-up” theforms for a concrete foundation measuring45 Feet 6 Inches by 2

GETTING STARTED ...1KEY DEFINITIONS ...1Basic Function Keys...

POCKET REFERENCE GUIDE — 26Finding Lot WidthWhat is the Width of a lot that has a 5Degree Slope and a total Drop of 2 Feet?KEYSTROKES DISPLAY1. Clear

POCKET REFERENCE GUIDE — 273. Solve for Drop:h HGHT 2 FEET 2-1/4 INCHSolve Drop Using Percent Grade4. Enter 5% Grade:5ÇÍ(%Grade) %GRD 5.5. Solve for D

POCKET REFERENCE GUIDE — 28Finding Slope Ratio/Percent GradeWhat is the Slope Ratio and PercentGrade of a lot that drops 3 Feet 6 Inchesover 20 Feet?K

POCKET REFERENCE GUIDE — 29Drop of Sloped SlabYou’re pouring a sloped concrete slab witha Length of 14 Feet. If the standard dropor fall is 1/8 Inch p

POCKET REFERENCE GUIDE — 30Drop of Retaining WallYou’re building a 61 Feet 8 Inch retainingwall along a driveway that slopes away at1/4 Inch per Foot.

POCKET REFERENCE GUIDE — 31CALCULATING LOADSHow many 8 Cubic Yard truck loads wouldbe needed to haul the dirt from an excava-tion measuring 108 Feet x

POCKET REFERENCE GUIDE — 32BASIC CUT / FILL SOLUTIONSFinding Cut or Fill — Exercise 1Find the Cut/Fill marks or changes of ele-vations for a lot with

POCKET REFERENCE GUIDE — 33Finding Cut or Fill — Exercise 2Find the Cut/Fill marks for a lot that has aproposed elevation of 15.5 Feet, and thefollowi

POCKET REFERENCE GUIDE — 34Cubic Yards of Cut/Fill — Grid Cell MethodThe four corner elevations of a Grid cellare 75.4 Feet, 77.5 Feet, 74.6 Feet, and

POCKET REFERENCE GUIDE — 35Solve for Cut or Fill5. Enter average as existing elevation:=e EXST 77. FEET6. Enter proposed elevation:83fpPROP 83 FEET 0

Simple Concrete Volume ...19Topsoil Volume...20Complex Concrete Volume...21Trench V

POCKET REFERENCE GUIDE — 36Finding Loose VolumeHow much dry gravel will be trucked out ofa hole to be dug that measures 10 Feetlong by 35 Feet wide by

POCKET REFERENCE GUIDE — 37Finding Trucked Volume / Weight — Both Swell and Shrink FactorsYou need to move wet sand from onelocation to another that r

POCKET REFERENCE GUIDE — 38(Cont’d)KEYSTROKES DISPLAY6. Enter Unit Weight:1•55S0(wt/vol)1.55 Ton Per CU YD7. Recall Bank Volume:b BANK 128.6008 CU YD8

POCKET REFERENCE GUIDE — 39Setting Fractional ResolutionFractional resolution is pemanently set viathe Preference Settings (see PreferenceSettings sec

POCKET REFERENCE GUIDE — 40Default SettingsAfter a Clear All (Çx), your calculatorwill return to the following settings:STORED VALUES DEFAULT VALUELoa

POCKET REFERENCE GUIDE — 41Accuracy/ErrorsAccuracy/Display Capacity – Your calcu-lator has a twelve digit display. This ismade up of eight digits (nor

POCKET REFERENCE GUIDE — 42BatteryThis model uses one (1) CR-2016 battery(included). This should last approximately800 hours of actual use (1 year plu

POCKET REFERENCE GUIDE — 43Area FormulasAREA AND VOLUME FORMULAS

POCKET REFERENCE GUIDE — 44Surface Area and Volume Formulas

POCKET REFERENCE GUIDE — 45Warranty, Repair and Return InformationReturn Guidelines1. Please read the Warranty in thisUser's Guide to determine i

POCKET REFERENCE GUIDE — 1KEY DEFINITIONSBasic Function Keys+-x Arithmetic operation keys.÷=% Four-function (+, –, x, ÷)percent key.0 – 9 Keys used fo

POCKET REFERENCE GUIDE — 46Warranty Repair Service – U.S.A.Calculated Industries (“CI”) warrants this product againstdefects in materials and workmans

POCKET REFERENCE GUIDE — 47DisclaimerCI MAKES NO WARRANTY OR REPRESENTATION,EITHER EXPRESS OR IMPLIED, WITH RESPECT TOTHE PRODUCT’S QUALITY, PERFORMAN

POCKET REFERENCE GUIDE — 48This equipment has been certified to comply with the lim-its for a Class B computing device, pursuant to Subpart Jof Part 1

This equipment has been certified to complywith the limits for a Class B computing device,pursuant to Subpart J of Part 15 of FCC rules.Software copyr

POCKET REFERENCE GUIDE — 2Unit Keysy Yards Key — Enters orconverts to Yards.f Feet Key — Enters or con-verts to Feet as whole ordecimal numbers. Alsou

POCKET REFERENCE GUIDE — 3Ç7 Centimeters (cm) — Entersor converts to Centimeters.Ç9 Millimeters (mm) — Entersor converts to Millimeters.Ç2 Acres (Acre

POCKET REFERENCE GUIDE — 4s Square-Up Key —Calculates the “Square-up”(diagonal) Length givenentered Length and Widthvalues.d Drop Key — Calculatestota

POCKET REFERENCE GUIDE — 5e Existing Key — Used toenter or calculate an existingbenchmark, Grade or value.p Proposed Key — Used toenter or calculate a