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Software copyrighted and licensed to

Calculated Industries by

Construction Master Technologies, LLC,

1999

Construction Master IV User’s Guide

Copyrighted by Calculated Industries,

1999

Construction Master® and

Calculated Industries® are

registered trademarks

of Calculated Industries, Inc.

ALL RIGHTS RESERVED.

Designed in the

United States of America

Printed in China

Manual 4045-MN-B

Summary of Contents for Construction Master IV

Page 1: ...CONSTRUCTION MASTER IV For Today s Construction Professional User s Guide...

Page 2: ...e Calculations 20 Memory Operation 21 Paperless Tape 23 Linear Calculations 25 Area Calculations 27 Volume Calculations 30 Volume Weight Calculations 35 Board Feet Lumber Calculations 36 Right Triangl...

Page 3: ...nov ice user will find it easy to solve hun dreds of dimension related problems right in feet inches and fractions Solve Dimensional Math English Metric Conversions Calculate Areas Volumes Solve Right...

Page 4: ...9 and Digits used for keying in numbers Off Off Key Turns all power off clearing all non permanent registers On C On Clear Key Turns on power Pressing once clears the display Pressing twice clears all...

Page 5: ...lears when the calculator is shut off Conv M Memory Minus M Subtracts the displayed value from Memory Rcl Recall Key Used with other keys to recall stored values and settings Rcl x Imperial Metric Mod...

Page 6: ...e setting as Tons Yard Lbs Yd Lb Ft Metric Ton m or kg m Repeated presses will cycle through these settings Cu Cubic Key Defines a volume 5 Cu Yds Sq Square Key Defines an area 5 Sq Feet Yds Yards Key...

Page 7: ...to enter fractions Fractions can be entered as proper 1 2 1 8 1 16 or improper 3 2 9 8 If the denominator bottom is not entered the calculator s fractional accuracy setting is automatically used m Met...

Page 8: ...n tered as a dimension 9 Inch Pitch an angle 30 Pitch a ratio 0 75 Conv Pitch a percentage 75 Pitch A pitch entry will remain in perma nent storage until revised or reset A solution will be replaced b...

Page 9: ...itch rise and or run Repeated presses display stud sizes from longest to shortest The on center spacing of a raked wall can be permanently stored by entering a dimension prior to solv ing for stud siz...

Page 10: ...are from the regular pitched side After showing the minimum value the calculator will display the sizes for the irregular pitched side An on center spacing can be entered by pressing Jack i e 12 Inch...

Page 11: ...ers 2 Actual Riser Height 3 Riser Overage Underage 4 Number of Treads 5 Actual Tread Width 6 Tread Overage Underage 7 Stringer Length 8 Inclination Angle Default value is 7 1 2 inches Met ric Mode 185...

Page 12: ...x All Clear Clears all values including Memory Resets all permanent settings to de faults Note Will not change the Imperial Metric mode setting Rcl x changes this setting Conv Pi Constant 3 141593 Co...

Page 13: ...nearest 1 16th of an inch The fractional level can be revised by us ing the following keystrokes Conv 1 Accuracy set to 1 16 Conv 2 Accuracy set to 1 2 Conv 3 Accuracy set to 1 32 Conv 4 Accuracy set...

Page 14: ...sults are displayed in the cal culator s fractional accuracy setting Flashing Denominator Your calculator can be set to flash the fractional accuracy setting in the denominator during entry by pressin...

Page 15: ...nsions are entered Dimension Keystrokes 5 Yards 5 Yds 5 Feet 1 1 2 Inch 5 Feet 1 Inch 1 2 17 5 Meters 17 5 m Square and Cubic Dimensions Square cubic dimensions are entered in the following order 1 Nu...

Page 16: ...16 Construction Master IV Dimension Keystrokes 5 Cubic Yards 5 Cu Yds 130 Square Feet 130 Sq Feet 33 Square Meters 33 Sq m...

Page 17: ...N Conv Feet 14 FT Conv Inch 168 IN Conv mm 4267 2 MM Conv cm 426 72 CM Conv m 4 2672 M Square Conversions Convert 14 square feet to other square dimensions Keystroke Display 14 Sq Feet Conv Inch 2016...

Page 18: ...9 CU CM mm 0 396436 CU M Basic Math Operations Your calculator uses standard chaining logic which simply means that you enter your first value the operator x the second value and then the Equals sign...

Page 19: ...Add 2 feet 1 inches to 11 inches 2 Feet 1 Inch 11 Inch 3 FT 0 IN 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 in...

Page 20: ...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 Percentage Calculations The Percent key can be used for finding a given percent of...

Page 21: ...Feet 6 Inch 20 442 FT 0 IN Divide 350 cubic yards by 80 350 Cu Yds 80 437 5 CU YD Memory Operation Whenever the M key is pressed the displayed value will be added to the Memory Other memory functions...

Page 22: ...en you 1 turn off the calculator 2 press Rcl Rcl 3 press Conv Rcl 4 press Conv x all clear How to Use Memory Functions Keystroke Display 355 M 355 M 255 M 255 M 745 Conv M 745 M Rcl Rcl 135 10 Feet 5...

Page 23: ...etc and the math operator x in the upper left corner of the display If has been used in the middle of a string SUB for Subtotal will display in the upper left If was the last operation performed the...

Page 24: ...15 FT 0 IN 7 Feet 22 FT 0 IN 2 Access the Tape function Rcl TTL 22 FT 0 IN 3 Scroll from first value to total 01 4 FT 0 IN 02 5 FT 0 IN 03 6 FT 0 IN 04 7 FT 0 IN TTL 22 FT 0 IN 4 Scroll to last 2 valu...

Page 25: ...s On C On C 0 10 Feet 10 FT 2 Feet 2 Inch 4 615385 or 4 whole boards 2 Find total boards 4 x 15 60 pieces Carpentry Calculating the Number of Studs Find the number of 16 inch on center studs needed fo...

Page 26: ...4 inch by 8 inch are required for a 36 5 feet by 8 feet wall Keystroke Display 1 Find Brick Area On C On C 0 3 Inch 3 4 x 8 Inch 30 SQ IN 2 Store in Memory and Find Wall Area M 30 SQ IN 36 5 Feet x 8...

Page 27: ...eet 6 inches by 15 feet 8 inches Keystroke Display On C On C 0 12 Feet 6 Inch 12 FT 6 IN x 15 Feet 8 Inch 195 8333 SQ FT Area of a Square Using the x2 Conv function find the area of a square with side...

Page 28: ...16 feet How many square yards of carpet are needed and what is the total cost at 11 75 per square yard Keystroke Display On C On C 0 1 Find Area of Room 1 Add to Memory 12 Feet 4 Inch 12 FT 4 IN x 10...

Page 29: ...e required for a 1745 square foot roof Note Shingle expo sure area Exposure x length and Number of Shingles Roof area shingle exposure area Keystroke Display 1 Find and save shingle exposure area On C...

Page 30: ...H Keystroke Display On C On C 0 3 Feet 3 FT x 1 Feet 9 Inch 5 8 1 FT 9 5 8 IN x 2 Feet 4 Inch 12 61458 CU FT Volume of a Cylinder You want to calculate the volume of a cylinder with a diameter 2 feet...

Page 31: ...rements are as follows 36 feet 3 inches long by 11 feet 6 inches wide by 4 inches deep What s the volume of your driveway and if concrete costs 55 per cubic yard how much will your concrete cost you K...

Page 32: ...ches and a height of 11 feet 6 inches How many cubic yards of con crete will you need for all five col umns Keystroke Display On C On C 0 1 Find Surface Area of Column 3 Feet 4 Inch 1 2 3 FT 4 1 2 IN...

Page 33: ...an odd shaped patio 4 1 2 inches deep with the di mensions shown below First calcu late the total area by dividing the drawing into three individual rectan gles and then determine the total yards of c...

Page 34: ...2 Inch 34 FT 0 IN x 27 Feet 918 SQ FT M 2 Find Area of Part B 4 Feet 2 Inch 4 FT 2 IN x 8 Feet 6 Inch 35 41667 SQ FT M 3 Find Area of Part C 9 Feet 9 FT x 9 Feet 6 Inch 85 5 SQ FT M 4 Find Total Area...

Page 35: ...Keystroke Display On C On C 0 1 Enter Weight Per Volume 1 5 Conv 1 5 Tons Per CU YD 2 Find Volume of Footings 2 Feet 2 FT x 24 Inch 24 IN x 12 Inch 4 CU FT Conv Yds 0 148148 CU YD x 5 0 740741 CU YD...

Page 36: ...imating function Total Board Feet With Dollar Cost Find the total board feet for one each of the following sizes 2 x 4 x 14 2 x 10 x 16 2 x 12 x 18 In addition if this board cost 250 per Mbm how much...

Page 37: ...Thus you can solve right triangles directly in feet and inches decimal feet meters etc Any value of a right triangle can be found given two of the four variables 1 Rise 2 Run 3 Diagonal or 4 Pitch Pi...

Page 38: ...uring 45 feet 6 inches by 24 feet 4 inches In order for the forms to be square what should the diagonal measurements Square Up be 24 4 45 6 Keystroke Display On C On C 0 1 Enter Sides as Rise Run 45 F...

Page 39: ...u plan to back fill to within 12 inches of the top of the wall for a 2 depth How many cubic yards of fill should you have delivered 2 3 3 A B 65 Grade Keystroke Display On C On C 0 1 Find Volume for A...

Page 40: ...You re ordering roofing materials for a roof with a 5 12 Pitch an overall span of 27 feet and a length of 34 feet 6 inches How many squares at 100 square feet each are there Keystroke Display On C On...

Page 41: ...working on has a 7 12 Pitch with a span of 23 feet 6 inches What length should you cut the Common rafters not counting the overhang or ridge adjustments 7 12 Pitch 23 6 Keystroke Display On C On C 0...

Page 42: ...ches Find the Common rafter length Then solve for the Pitch Keystroke Display On C On C 0 Find Diagonal Pitch 6 Feet 11 Inch 1 2 Rise RISE 6 FT 11 1 2 IN 14 Feet 6 Inch Run RUN 14 FT 6 IN Diag DIAG 16...

Page 43: ...11 feet 6 inches Keystroke Display On C On C 0 7 Inch Pitch PTCH 7 IN 11 Feet 6 Inch Run RUN 11 FT 6 IN Rise RISE 6 FT 8 1 2 IN Finding Rise Diagonal Degrees of Pitch Run Known Find the Rise and Diago...

Page 44: ...pacing Keystroke Display On C On C 0 Enter Rise Run and O C Spacing 15 Feet 5 Inch Rise RISE 15 FT 5 IN 30 Feet 7 Inch Run RUN 30 FT 7 IN 16 Inch Conv Diag OC 16 IN Find Stud Lengths Conv Diag RW 1 14...

Page 45: ...ess Hip V and then Jack Repeated presses of Jack will compute all regular jack rafters from longest to shortest size Irregular Hip Valley Jack Rafters To solve for irregular non 45 hip valley and jack...

Page 46: ...splay sequence using the longest rafter size on the irregular pitch side Hip Rafter Jack Rafters 16 Common Side Jack Irregular Side I Jack When calculating regular and ir regular jack rafter lengths y...

Page 47: ...hs of the regular jack rafters jack rafters at 16 on center spacing Keystroke Display On C On C 0 1 Find Common Rafter Length 13 Feet 9 Inch Run RUN 13 FT 9 IN 7 Inch Pitch PTCH 7 IN Diag DIAG 15 FT 1...

Page 48: ...On C 0 1 Enter Pitch Run and Spacing 7 Inch Pitch PTCH 7 IN 30 Feet 9 Inch Run RUN 30 FT 9 IN 18 Inch Jack OC 18 IN 2 Find Jack Rafter Lengths Jack JK1 33 FT 10 3 8 IN Jack JK2 32 FT 1 1 2 IN Jack JK...

Page 49: ...B Find the length of the adjoining irregular hip or valley C Find the jack lengths on the irregular pitch side 16 o c spacing D Find the jack lengths on the regular pitch side 16 o c spacing Keystrok...

Page 50: ...1 2 IN Etc Continue pressing Jack until last regu lar jack or 0 is reached 4 Find Regular Jack Lengths 16 Inch Jack OC 16 IN Jack JK1 16 FT 3 5 16 IN Jack JK2 14 FT 6 1 8 IN Jack JK3 12 FT 9 IN Jack...

Page 51: ...run and a desired stair riser height your calculator will com pute the following with the press of the Stair key 1 Number of Risers 2 Riser Height 3 Underage Overage for Risers 4 Number of Treads 5 Tr...

Page 52: ...al rise is 3 feet 8 3 4 inches and your desired riser height is approximately 5 1 2 inches find the number of stair risers actual riser height and any underage or overage remaining Keystroke Display O...

Page 53: ...riser height and underage overage the number of treads the tread width and underage overage stringer length and inclination angle Keystroke Display On C On C 0 1 Enter Rise and Run 28 Feet 5 Inch 1 2...

Page 54: ...ter of 10 inches Keystroke Display On C On C 0 10 Inch Circ DIA 10 IN Circ AREA 78 53982 SQ IN Circ CIRC 31 7 16 IN Inch 31 41593 INCH Arc Lengths Find the arc length of an 85 portion of a circle with...

Page 55: ...of the calculator it will display the word Error To clear an error condition you must hit the On C button twice At this point you must determine what caused the error and re key the problem Auto Rang...

Page 56: ...hut itself off after about 8 12 minutes of non use Default Values After a Full Reset All Clear the cal culator will return to the following settings Setting Imperial Metric Stair Riser Height 7 1 2 In...

Page 57: ...User s Guide 57 APPENDIX B Area Formulas w l Rectangle Area lw b a Triangle Area ab 1 2 Square Area a a a 2 r Circle Circumference 2 r Area r2 b a Ellipse Area ab...

Page 58: ...Rectangle Surface area 2hw 2hl 2lw Volume l x w x h h Sphere Surface area 4 r Volume r r 2 4 3 3 Cone Surface area r r h r if you add the base Volume r h r h 2 2 2 2 3 Cylinder Surface area 2 rh 2 r...

Page 59: ...emanufactured unit the product at no charge THE WARRANTY WILL NOT APPLY TO THE PRODUCT IF IT HAS BEEN DAMAGED BY MISUSE ALTERATION ACCIDENT IMPROPER HANDLING OR OPERATION OR IF UNAUTHORIZED REPAIRS AR...

Page 60: ...is longer Non Warranty Repair Service U S A Non warranty repair covers service be yond the warranty period or service re quested due to damage resulting from mis use or abuse Contact the CII Authorize...

Page 61: ...CT INCLUDING BUT NOT LIMITED TO KEYSTROKE PROCEDURES MATHEMATICAL ACCURACY AND PREPROGRAMMED MATERIAL IS SOLD AS IS AND YOU THE PURCHASER ASSUME THE ENTIRE RISK AS TO ITS QUALITY AND PERFORMANCE IN NO...

Page 62: ...r incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you spe cific rights and you may also have other rights which vary from state to sta...

Page 63: ...special function cal culators and digital measuring instru ments is always looking for new pro duct ideas in these areas If you have one or if you have any suggestions for improvements to this product...

Page 64: ...64 Construction Master IV Calculated Industries Inc 4840 Hytech Drive Carson City NV 89706 U S A 775 885 4975 Fax 775 885 4949 E mail techsup calculated com http www calculated com...

Page 65: ...ogies LLC 1999 Construction Master IV User s Guide Copyrighted by Calculated Industries 1999 Construction Master and Calculated Industries are registered trademarks of Calculated Industries Inc ALL RI...

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