CONSTRUCTION MASTER PRO ® Pocket Reference Guide For Models: 4065 v3.1 Construction Master Pro 4080 v3.
CONSTRUCTION MASTER® PRO V3.
TABLE OF CONTENTS KEY DEFINITIONS..................................1 Basic Function Keys ............................1 Unit Keys .............................................2 Length, Width and Height Keys (NOT AVAILABLE ON TRIG MODEL #4080) .......2 Circle/Arc Keys ....................................2 Construction Project Keys ...................3 Trigonometric Keys (TRIG MODEL #4080)..............................................5 Right Triangle/Roof Framing Keys.......5 Stair Layout Key .................
Board Feet and Cost .........................15 Circle Area and Circumference..........16 Circle/Arc Properties..........................16 Compound Miter ................................17 Concrete Columns .............................18 Concrete Footings (NOT AVAILABLE ON TRIG MODEL #4080) .........................19 Concrete Volume for Driveway ..........19 Converting D:M:S ..............................20 Drywall (NOT AVAILABLE ON TRIG MODEL #4080)............................................
KEY DEFINITIONS Basic Function Keys +–x ÷= Arithmetic operation keys. % Four-function (+, –, x, ÷) percent key. 0–9 and • Keys used for entering numbers. O Off Key — Turns all power off, clearing all non-permanent registers. o On/Clear Key — Turns on power. Pressing once clears the display. Pressing twice clears all temporary values. Ç Convert Key — Used with the dimensional keys to convert between dimensions or with other keys to access special functions. ß Store Key — Used for storing values.
Unit Keys y f i / m Ç7 Ç9 Ç2 Yards Feet Inch Fraction Bar Meters Centimeters Millimeters Acres Length, Width and Height Keys (NOT AVAILABLE ON TRIG MODEL #4080) l Enters length for calculation of area or volume. W Calculates area, square-up and perimeter. h Calculates volume, wall area and total room area. Circle/Arc Keys C Circle — Calculates circle area and circumference. a Calculates Arc Length or Degree, chord length, segment area, pie slice area, segment rise, and length of arched segment wall studs.
Ça Radius — Enters or calculates circle radius. Construction Project Keys Çl Ç8 Â ÇC Blocks/Bricks — Finds the number of blocks or bricks for a given area and stored block/brick size. ß 4 — Stores block or brick size (default: 128 Square Inches area and 16 Inches length). Board Feet — Enters or converts cubic values to Board Feet. Compound Miter — Calculates (based on entered spring and wall corner angle) miter angle, and bevel angle for cutting crown moulding.
Çh Drywall — Calculates number of 4 x 8, 4 x 9 and 4 x 12 drywall sheets based on entered or calculated area. ÇW Footing — Finds quantity of concrete, based on entered wall length and stored footing area. ß 6 — Stores footing area (default: 264 Square Inches). Çd Roof — Calculates roof area, number of roof squares and bundles, and number of 4 x 8 sheets based on an entered or calculated plan area.
Trigonometric Keys (TRIG MODEL #4080) S Finds the sine of a degree or undimensioned value. ÇS Arcsine (sin -1) — Gives the angle for the Sine value. ç Finds the Cosine. Çç Arccosine (cos -1) — Gives the angle for the Cosine value. Finds the Tangent. Arctangent (tan -1) — Gives the angle for the Tangent value. t Çt Right Triangle/Roof Framing Keys p Enters or calculates the slope (amount of “Rise” over 12” of “Run”. Çp Slope — Enters a Pitch ratio, or slope (e.g., • 5 8 3 Ç p).
R Enters or calculates the horizontal leg of a right triangle. d Diagonal — Enters or calculates the Diagonal leg, or Common rafter. H Hip/Valley — Calculates length of the regular or irregular Hip/Valley rafter. ÇH Enters irregular pitch used to calculate lengths of the irregular Hip/Valley and Jack rafters. j Calculates Jack rafter lengths on the regularpitched roof side. Çj Calculates Jack rafter lengths on the irregularpitched roof side.
Stair Layout Key s Given rise and/or run and stored variables, calculates or displays: Press 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Result Riser Height Number of Risers Riser Overage/ Underage Tread Width Number of Treads Tread Overage/ Underage Stairwell Opening Stringer Length Angle of Incline Stored or Calculated Run Stored or Calculated Rise Stored Desired Riser Height Stored Desired Tread Width Stored Headroom Stored Floor Thickness POCKET REFERENCE GUIDE — 7
Çs Riser Limited — Recalculates Riser Height and other stair values if you’re limited by local code. The calculated Riser Height will never exceed the stored Desired Riser Height. STAIR DEFAULT VALUES • • • • 7-1/2” Desired Riser Height 10” Desired Tread Width 10” Floor Thickness 6’8” Headroom Customizable Stair Settings ß7 Stores Desired Riser Height. ß9 Stores Desired Tread Width. ß8 Stores Floor Thickness. Ç ß ß Sets Headroom. See ßß large User’s Guide, Preference Settings, for details.
Miscellaneous Functions B Backspace Key ®= Paperless Tape Çß Preference Settings Ç÷ (1/x) Reciprocal Çx Clear All Ç– (+/–) Toggle Ç+ Pi (π) 3.141593 Ç• Converts between D:M:S and Decimal Degrees.
ß1 (M1) Storage Register ß2 (M2) Storage Register ß3 (M3) Storage Register ®® Recall and Clear M+ ® µ, 1, 2 or 3 Recall M+, M1, M2 or M3 ENTERING DIMENSIONS Entering Linear Dimensions Examples of entering Linear Dimensions: DIMENSION KEYSTROKE Clear calculator o 5 Feet 1-1/2 Inch 5 f 1 i 1 / 2* Clear calculator 5 Yards o 5y Clear calculator 17.
Entering Square/Cubic Dimensions Examples of entering Square and Cubic Dimensions: KEYSTROKE DISPLAY oo 0. Enter numeric value and press desired unit key once to label value as “Linear:” 100f 100 FEET KEYSTROKE DISPLAY oo 0. Enter numeric value and press desired unit key twice to label value as “Square:” 100ff 100 SQ FEET KEYSTROKE DISPLAY oo 0.
EXAMPLES Adding and Subtracting Strings of Dimensions Add the following measurements: • 6 Feet 2-1/2 Inches • 11 Feet 5-1/4 Inches • 18.25 Inches Then subtract 2-1/8 Inches. KEYSTROKE 6 1 1 – DISPLAY f2i1/2+ 1f5i1/4+ 8•25i= 19 FEET 2 2 i 1 / 8 = 18 FEET 11-7/8 INCH INCH Rectangular Area and Volume* Find the area and volume: • Length: 20 Feet 6-1/2 Inches • Width: 12 Feet 8-1/2 Inches • Height: 18 Inches KEYSTROKE DISPLAY 20f6i1/2l 12f8i1/2WW AREA 261.0503 SQ FEET 1 8 i h h VOL 14.
Entering Square and Cubic and Adding a Waste Allowance Add a 10% waste allowance to 55 Square Feet. Then add a 20% waste allowance to 150 Cubic Feet: KEYSTROKE DISPLAY 5 5 f f + 1 0 % 60.5 SQ 150fff+20% 180. CU FEET FEET Using Multi-Function h Key (NOT AVAILABLE ON TRIG MODEL #4080) Find the volume, wall area and total room area of a room measuring 15’ x 20’. The room is 8’ tall. KEYSTROKE oo 15fl 20fW 8fh h h h DISPLAY 0. LNTH 15 FEET 0 INCH WDTH 20 FEET 0 INCH HGHT 8 FEET 0 INCH VOL 2400.
Dividing Dimensions Divide 15 Feet 3-3/4 Inches into thirds (divide by 3): KEYSTROKE DISPLAY 15f3i3/4÷3= 5 FEET 1-1/4 INCH Linear Conversions Convert 10 Feet 6 Inches to other dimensions, including Metric: KEYSTROKE 10f6i Ç f* Ç i* Çy Çm Ç 9 (mm) Ç 7 (cm) DISPLAY 10 6 INCH 10.5 FEET 126. INCH 3.5 YD 3.200 M 3200.4 MM 320.04 CM FEET *Repeated presses of f or i will toggle between Feet-Inch-Fractions and Decimal Feet or Inches.
Square and Cubic Conversions Convert 14 Square Feet to Square Yards: KEYSTROKE 14ff Çy DISPLAY 14 SQ FEET 1.555556 SQ YD Convert 12 Cubic Feet to Cubic Yards: KEYSTROKE 12fff Çy DISPLAY 12 CU FEET 0.444444 CU YD Blocks (NOT AVAILABLE ON TRIG MODEL #4080) How many blocks (block size 8” x 16”) will you need to build a retaining wall measuring 8’ x 22’? KEYSTROKE oo 8fx22f= Ç l (Blocks) DISPLAY 0. 176. SQ FEET BLKS 198.
(Cont’d) KEYSTROKE DISPLAY oo 0. 2x4x16Ç8µ BDFT 10.66667 M 2x10x18Ç8µ BDFT 30. M 2x12x20Ç8µ BDFT 40. M ®® BDFT 80.66667 x 2 7 5 Ç 0 (Cost) $22.18 Circle Area and Circumference Find the area and circumference of a circle with a diameter of 25 Inches: KEYSTROKE oo 25iC C C DISPLAY 0. DIA 25 AREA 490.8739 SQ CIRC 78-9/16 INCH INCH INCH Circle/Arc Properties Find Arc properties given a 5-foot diameter and an Arc length of 3 Feet 3 Inches: KEYSTROKE DISPLAY 1.
2. Find Degree of Arc, Chord Length, Segment Area, Pie Slice Area and Segment Rise: a ARC 74.48° a CORD 3 FEET 0-5/16 INCH a SEG 1.051381 SQ FEET a PIE 4.0625 SQ FEET a RISE 0 FEET 6-1/8 INCH* *You may also find arched segment wall stud sizes, based on the stored o.c. After the segment rise, the calculator will display the stored o.c., then calculate the stud sizes with each successive press of the a key. See large User’s Guide for example.
Concrete Columns Find the total Cubic Yards and Tons of concrete (using 1.5 tons per cu. yd) required for three (3) columns, each with a diameter of 5 Feet 2-3/4 Inches and a height of 10 Feet: KEYSTROKE DISPLAY 1. Recall stored Weight per Volume: oo 0. STORED ®0 1.5 Ton Per CU YD 2. Enter diameter: 5f2i3/4C DIA 5 FEET 2-3/4 INCH 3. Find total volume: 1 0 f h Ç C (Column/Cone) COL 214.7607 CU FEET Çy 7.954101 CU YD x3= 23.8623 CU YD 4. Convert to tons: Ç 6 (ton) 35.
Concrete Footings (NOT AVAILABLE TRIG MODEL #4080) ON Find the volume of concrete required for an 8” x 16” footing that measures 100 Feet in length: KEYSTROKE DISPLAY oo 0. 8ix16i= 128. SQ INCH ß6 F-AR STORED 128. SQ INCH 1 0 0 f Ç W (Footing) FTG 3.292181 CU YD Concrete Volume for Driveway Calculate the Cubic Yards of concrete required to pour a driveway that measures: 45 Feet 5 Inches long x 13 Feet 6 Inches wide x 5 Inches deep.
Converting D:M:S Convert 23° 42’ 39” to decimal degrees: KEYSTROKE DISPLAY oo 23•42•39 Ç • (dms deg) Drywall (NOT AVAILABLE 0. DMS 23.42.39 23.71° ON TRIG MODEL #4080) Find the number of 4 x 8, 4 x 9 and 4 x 12 sheets needed to cover an area of 125 Square Feet: KEYSTROKE oo 125ff Ç h (Drywall) h h DISPLAY 0. 125 SQ FEET 4X8 3.90625 4X9 3.472222 4X12 2.604167 Polygon — Brick Paving Find the Full Angle, Bi-sect Angle, Side Length, Perimeter and Area of a Polygon for paving a brick patio.
KEYSTROKE DISPLAY oo 0. 7 f 5 i Ç a (Radius) RAD 7 FEET 5 INCH 5 Ç R (Polygon) FULL 108.00° R HALF 54.00° R SIDE 8 FEET 8-5/8 INCH R PER 43 FEET 7-1/8 INCH R AREA 130.7868 SQ FEET Roofing Materials Find the roof area, number of roofing squares and bundles of shingles, stored bundles size, and number of 4 x 8 sheets needed for an 8” pitched roof covering a floor size of 15’ x 13’: KEYSTROKE DISPLAY oo 0. 8ip PTCH 8 INCH 1 5 f x 1 3 f = 195. SQ FEET Ç d (Roof) ROOF 234.3608 SQ FEET d SQRS 2.34 d BNDL 7.
Squaring-Up a Foundation Square-up a 15’ 6” x10’ 2” foundation:* KEYSTROKE DISPLAY oo 15f6il LNTH 15 FEET 6 10f2iW WDTH 10 FEET 2 WW SQUP 18 FEET 6-7/16 0. INCH INCH INCH *Alternative Method, or for Trig model (#4080) Owners: Square-up a 15’ 6” x10’ 2” foundation. KEYSTROKE DISPLAY oo 15f6iR RUN 15 FEET 6 10f2ir RISE 10 FEET 2 d DIAG 18 FEET 6-7/16 POCKET REFERENCE GUIDE — 22 0.
Studs Find the number of 16-inch On-center studs* required for a wall measuring 25 feet in length: KEYSTROKE oo 2 5 f Ç 5 (Studs) DISPLAY 0. STUD 20. *If you are working with a number other than 16 Inches On-center, change it via ß 5 (e.g., 18 Inches o.c., enter 1 8 i ß 5, then recalculate above).
RIGHT ANGLE/FRAMING Pitch — Converting Roof Angle Find the % Grade, Slope and Pitch in Inches if the roof angle is 30.25°: KEYSTROKE oo 30•25p p p p DISPLAY 0. PTCH 30.25° %GRD 58.31828 SLP 0.583183 PTCH 7 INCH Converting Slope Find the Pitch in Inches, Pitch Degrees, and Percent Grade if the slope is 0.625: KEYSTROKE DISPLAY oo 0. • 6 2 5 Ç p (Slope) SLP 0.625 p PTCH 7-1/2 INCH p PTCH 32.01° p %GRD 62.
KEYSTROKE DISPLAY 1. Use trigonometry formula (divide the rise by the hypotenuse): oo 0. 6f÷10f= 0.6 2. Solve for angle or degrees:minutes:seconds: Ç ç (cos -1) 53.13° DMS 53.07.48 Ç • (dms deg) Common Rafter Length Find the point-to-point length of the Common rafter on a 7/12-pitched roof with a span of 28 Feet. What are the angle cuts? KEYSTROKE 1. Enter Pitch: oo 7ip DISPLAY 0. PTCH 7 INCH 2. Enter half the span as the run: 28f÷2= 14 FEET 0 INCH R RUN 14 FEET 0 INCH 3.
Regular Hip/Valley and Jack Rafters A roof’s Pitch is 9/12 and half the total span is 6 Feet. Find the lengths of the Common, Hip/Valley and Jack rafters. Also find the incremental jack adjustment and the cut angles. (Jack rafters at 16” On-center spacing.) KEYSTROKE DISPLAY 1. Find the Common rafter length: oo 0. 6fR RUN 6 FEET 0 INCH 9ip PTCH 9 INCH d (Common) DIAG 7 FEET 6 INCH 2.
j j j j j JK 4 0 FEET 10 INCH JK 5 0 FEET 0 INCH PLMB 36.87° LEVL 53.13° CHK1 45.00° Irregular Hip/Valley A roof has a 9/12 Pitch, an irregular Pitch of 8/12, and half the span is 6 Feet 7 Inches. Solve the Hip/Valley length. On-center spacing is 16 Inches. KEYSTROKE DISPLAY 1. Find Common rafter length: oo 0. 9ip PTCH 9 INCH 6 f 7 i R RUN 6 FEET 7 INCH d DIAG 8 FEET 2-3/4 INCH 2. Enter On-center spacing and irregular Pitch; find irregular Hip rafter: 1 6 i ß 5 (o.c.
Rake-Wall – No Base Find each stud size in a Rake-Wall with a peak of 3 Feet 6 Inches, and a length of 5 Feet. Use 16 Inches as your On-center spacing (default; already stored): KEYSTROKE DISPLAY 1. Enter Rise and Run: oo 0. 3 f 6 i r RISE 3 FEET 6 INCH 5fR RUN 5 FEET 0 INCH 2. Find stud lengths: Ç r (R/Wall) RWOC STORED 16 INCH r RW 1 2 FEET 6-13/16 INCH r RW 2 1 FEET 7-5/8 INCH r RW 3 0 FEET 8-3/8 INCH r BASE 0 FEET 0 INCH 3. Find Rake-Wall angle of incline: r RW 34.
Rake-Wall – With Base Find each stud size in a Rake-Wall with a peak of 4 Feet, a length of 8 Feet, and a base of 5 Feet. Use 16 Inches as your On-center spacing: KEYSTROKE DISPLAY 1. Enter Rise and Run: oo 0. 4fr RISE 4 FEET 0 INCH 8fR RUN 8 FEET 0 INCH 2. Enter base and find stud lengths and angle of incline: 5 f Ç r (R/Wall) BASE 5 FEET 0 INCH r RWOC STORED 16 INCH r RW 1 8 FEET 4 INCH r RW 2 7 FEET 8 INCH r RW 3 7 FEET 0 INCH r RW 4 6 FEET 4 INCH r RW 5 5 FEET 8 INCH r BASE 5 FEET 0 INCH r RW 26.
STAIRS Stairs — Given Rise and Run You’re going to build a stairway that has a floor-to-floor height of 10 Feet 1 Inch, a run of 12 Feet 5 Inches, and a desired riser height of 7-1/2 Inches (default). Find the stair values: KEYSTROKE DISPLAY 1. Enter rise and run: oo 0. 10f1ir RISE 10 FEET 1 INCH 12f5iR RUN 12 FEET 5 INCH 2. Recall stored 7-1/2” desired riser height, then find the stair values: ®7 R-HT STORED 7-1/2 INCH s R-HT 7-9/16 INCH s RSRS 16. s R+/– 0 INCH s T-WD 9-15/16 INCH s TRDS 15.
Stairs — Given Rise Only You’re building a stairway with a total rise of 9 Feet 11 Inches. Using the default riser height of 7-1/2 Inches and tread width of 10 Inches, find the stair values: KEYSTROKE DISPLAY 1. Enter known Rise: oo 0. 9f11ir RISE 9 FEET 11 INCH 2. Recall stored desired stair riser height: ®7 R-HT STORED 7-1/2 INCH 3. Recall stored desired stair tread width: ®9 T-WD STORED 10 INCH 4. Find stair values: s R-HT 7-7/16 INCH s RSRS 16. s R+/– 0 INCH s T-WD STORED 10 INCH s TRDS 15.
Stairs — Riser Limited Function Calculate stairs using the Riser Limited function, if you must limit the Riser Size to 7-1/2 Inches: KEYSTROKE DISPLAY 1. Enter Rise and Run: oo 0. 10f1ir RISE 10 FEET 1 INCH 12f5iR RUN 12 FEET 5 INCH 2. Recall stored 7-1/2” Desired Riser height and find stair values: ®7 R-HT STORED 7-1/2 INCH Ç s (Riser Limited) R-HT 7-1/8 INCH s RSRS 17. s R+/– 0-1/8 INCH s T-WD 9-5/16 INCH s TRDS 16. s T+/– 0 INCH s OPEN 9 FEET 9-5/8 INCH s STRG 15 FEET 7-5/8 INCH s INCL 37.
DEFAULT SETTINGS After a Clear All (Ç x), your calculator will return to the following settings: STORED VALUES DEFAULT VALUE Desired Riser Height 7-1/2 INCH Desired Tread Width 10 INCH Floor Height 10 INCH On-center Spacing 16 INCH Weight per Volume 1.5 Ton Per CU YD Block Area (except Trig model) 128. SQ INCH Block Length (except Trig model) 16 INCH Footing Area (except Trig model) 264. SQ INCH Spring (crown) Angle 45.
(Cont’d) PREFERENCE SETTINGS Stairway Headroom Rake-Wall Arched Wall Jack Rafters Irregular Jack Spacing Exponent Meter Linear Display Decimal Degree Display Fractional Mode DEFAULT VALUE 6 feet 8 inch Descending Outside Descending OC-OC Off 0.000 0.00° Standard *Depressing the Reset button located above the p key will also perform a Full Reset.
This equipment has been certified to comply with the limits for a Class B computing device, pursuant to Subpart J of Part 15 of FCC rules. Software copyrighted and licensed to Calculated Industries, Inc. by Construction Master Technologies, LLC, 2006. Pocket Reference Guide copyrighted by Calculated Industries, Inc. © 2006. Construction Master® and Calculated Industries® are registered trademarks of Calculated Industries, Inc.
