Calculated-industries 3088 User Manual

Calculated Industries®Construction Master III®User’s Guide

One exception to this key is whenworking with board feet: If yourdimension is board feet, the unitprice is entered in the standardMbm. (per thousand b

RIGHT ANGLE SOLUTIONS[Pitch] Pitch is the amount of “Rise” in 12inches of “Run” in a right triangle.Pitch is most commonly expressedin inches — i.e.,

[Hip/V] Hip/Valley — Is used to find anadjacent 45° Hip or Valley rafter offof a Common rafter. You first solvefor the Common rafter (diagonal)using e

ENTERING DIMENSIONSWhen entering dimensioned values, you mustenter the largest dimension first — feet beforeinches, inches before fractions. You enter

ENTERING SQUARE & CUBICDIMENSIONSEnter square & cubic dimensions* in this order:(1) Numerical Value(2) Convention — Square or Cubic(3) Definit

SQUARE CONVERSIONSConvert 14 square feet to other square dimen-sions:Keystrokes Display Shows14 [Sq] [Feet] . . . [Conv] [Inch] 2016 SQ IN[Yds] * 1

MATHEMATICAL OPERATIONSYour calculator uses standard chaining logicwhich simply means that you enter your firstvalue, then the operator (+, –, x, ÷),

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 can find a percent of a number,*add a percent to a number, subtract a percentfrom a number or divide a number b

MEMORY FUNCTIONSWhenever the [M+] is depressed, the displayedvalue will be added to the semi-permanentMemory. To subtract a value from the Memory,simp

TABLE OF CONTENTSIntroduction... 3Key Definitions...

Memory Calculations 1. 10 [Feet] 5 [Inch] [M+]5 [Feet] 3 [Inch] 1 [/] 16 [M+]Recall Memory [Rcl] [M+] 15 FT 8-1/16 IN Clear Memory [Rcl] [Rcl]NOTE: Af

LINEAR DIMENSIONSSpacing Calculation — Linear DivisionYou have a 78 feet 6 inch wall which you wantto divide into five equal spaces for office parti-t

Calculating the Number of Studs/Joists/TrussesFind the number of 16 inch on-center (o.c.)studs needed for a 18 feet 7-1/2 inch wall. COMMENTS KEYSTROK

Linear Measurements —Window Trim (Multiple Units)You’re going to have four front windows allof which measure 4 feet 4 inches by 3 feet 2inches. How mu

Area of a SquareUsing the X-Squared [Conv] [√] key, find thearea of a square with sides of 4 feet 7 inches.COMMENTS KEYSTROKESClear calculator [On/C]

Area Calculation — Floor CoveringYou have an apartment with two rooms ofcarpet that need to be replaced. The room di-mensions are as follows: 12 feet

Roof Covering — ShinglesYou’re going to use 12 inch wide by 36 inchlong asphalt (strip) shingles with 5 inch weatherexposure. How many shingles are re

VOLUME CALCULATIONSVolume of aRectangular ContainerWhat is the volume of a container 3 feet by 1foot 9-5/8 inches by 2 feet 4 inches?COMMENTS KEYSTROK

Simple Concrete VolumeYou’re going to form up and pour your owndriveway and you need to calculate the cubicyards of concrete required for the job accu

38’ 2”27’ 0”4’ 2”8’ 6”9’ 0”9’ 6”ACBCOMMENTS KEYSTROKESClear calculator [On/C] [On/C]Step 1 — Find Area of Part AFind length 38 [Feet] 2 [Inch] [–]4 [

INTRODUCING:The Construction Master III®Designed for today’s construction professional,the all-new Construction Master III adds evenmore power and eas

Step 4 — Find Total AreaRecall Memory [Rcl] [Rcl] Answer: 1038.917 SQ FTMultiply by depth [x] 4 [Inch] 1 [/] 2 [=]Answer: 389.5938 CU FTConvert to yar

Single Concrete FootingFind the number of cubic yards of concrete re-quired for a (16” x 8”) footing that measures 32feet 7 inches in length.COMMENTS

BOARD FEET/LUMBERBoard Feet/Lumber problems can easily besolved with the Construction Master III’s built-in Board Feet and material estimating program

Total Board Feet — With Dollar CostCalculate the total number of board feet if youordered 10 of the following board type: 2 by 4 by14. In addition, if

RIGHT-ANGLE SOLUTIONSYour calculator’s top row of keys provide youwith built-in solutions to right triangles. Thesolutions are available in any of the

Squaring a Concrete SlabAssume you want to square up the forms for aconcrete foundation for which you know the di-mensions of two sides. The given sid

Area for Roofing MaterialsYou’re ordering roofing materials for a roofwith a 5-in-12 Pitch, an overall span of 27 feetand a length of 34 feet 6 inches

Back-Fill on a Slope with Percentof Grade KnownYou’ve built 55 linear feet of a three-foot highretaining wall 3 feet out from the base of a 65%grade.

COMMENTS KEYSTROKESMult. by height (depth) [x] 2 [Feet] [=] Answer: 338.4505 CU FTDiv. by 2 per formula* [÷] 2 [=]Answer: 169.2253 CU FTStep 4— Add Vo

Common Rafter— Pitch KnownThe roof you are working on has a 7-in-12Pitch, and you know the overall span of thebuilding is 23 feet 6 inches. What lengt

KEY DEFINITIONS[+] [–] [x] [÷] [=] Arithmetic operation keys.[%] Four-function percent key.0 – 9 Digits used for keying-in numbers.[ . ] Decimal point

Common Rafter— Pitch UnknownYou’re unsure of the roof Pitch but know boththe Rise; 6 feet 11-1/2 inches and Run; 14 feet 6inches. Find the common raft

Computing the Rise Side of an Angle (Diagonal known)Find the Run and Rise sides of a right anglewith Pitch and Diagonal known. Here, find theRise and

Computing Roof PitchYou have a roof where your Rise is 7 feet 10-1/2 inches and your Run is 13 feet 6 inches.What’s the Pitch?*COMMENTS KEYSTROKESClea

“Bastard” Hip & Valley Rafters — (Irregular Non-45 Degree)You’re working with a 7-in-12 Pitch and halfyour overall span is 15 feet 7 inches. The P

Hip or Valley, “Jack Rafters” — Set at 16” on-centerYou’re again working with a 7-in-12 Pitch andthe Run of the common rafter is 20 feet 5 inches.You

Hip or Valley, “Jack Rafters” — with other than 16” on-centerYou’re again working with a 7-in-12 Pitch andthe Run of the common rafter is 30 feet 9 in

STAIR PROBLEMS (Risers/Treads) Solving for Risers Only— with 7-1/2” Desired Riser HeightIf your floor-to-floor drop is 9 feet 5-1/2 in-ches and your

Risers Only — with other thanthe 7-1/2” Desired Riser HeightYou’re building an access stairway for anelderly client who can’t handle conventional-hei

Risers & Treads — with 7-1/2”Desired Riser HeightYour “desired riser height” is the default 7-1/2inches, and you want to calculate the number ofs

OVERFLOW INDICATIONWhen you make an incorrect entry, or the an-swer is beyond the range of the calculator, it willdisplay the word “Error.” To clear a

[√ ] This key is used to find the squareroot of a number. You must becareful when entering dimensionedvalues because by definition thesquare root of a

Fractional Display — Two digits are al-lowed for the numerator and another twofor the denominator. The largest properfraction allowed would be 99/99.

Appendix AAREA FORMULAS Your new calculator can perform these helpfulformulas -- right in feet, inches and fractions --to provide even more useful sol

Appendix BAREA & VOLUME FORMULAS wlRectangle PrismSurface area = 2hw + 2hl + 2lw Volume = l x w x hhSphereSurface area = 4πrVolume = πrr2433C

LIMITED WARRANTYThis product, except the battery and case, iswarranted by Calculated Industries, Inc. (CII), tothe original purchaser to be free from

Some states do not allow limitations on howlong an implied warranty lasts and some statesdo not allow the exclusion or limitation of inci-dental or co

Construction Master III® is a registeredtrademark of Calculated Industries, Inc.ALL RIGHTS RESERVED.Calculated Industries® is alsoa registered tradema

[Conv] [ x ] All-Clear, full-reset functionclears Memory and resets allregisters (Jack, Stair, & Frac-tions) to their default values.[Conv] [ + ]

[Conv] [ 2 ] Fraction set to 1/2’s.[Conv] [ 4 ] Fraction set to 1/4’s.[Conv] [ 8 ] Fraction set to 1/8’s.[Conv] [ 1 ] Fraction set to 1/16’s.[Conv] [

[M] Meters — This is an entry andconversion key that works in thesame way as the [Yds] key describedabove.[CM] Centimeters — This is an entryand conve

[/] Fraction Bar — This definition key isused to define and enter fractions.Fractions can be both proper (1 or less— 1/2, 1/8, 1/16) or improper (grea