Specification

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02'(/
Builders • Contractors • Draftspersons • Engineers • Framers/Carpenters • Estimators
Diag — Instant
Diagonal/Square-ups
Pitch, Rise, Run —
Rafter, Roof Layouts;
Slope, Rake-Wall,
Polygon
Stair — Risers,
Treads, Stringer,
Incline Angle,
Stairwell Opening
U.S./Metric Units —
Work in Feet-Inch-
Fractions, Yards,
Meters, Millimeters,
Centimeters
Stor/Prefs —
Store and set
preferences for
Fractions, Riser
Height, Floor Height,
Studs On-center
and more
Conv — Perform
Conversions; access
Secondary Functions
Hip / V, Jack —
Fast Rafter
Dimensions;
Irregular Pitch,
Irregular Jacks
Comp Miter —
Compound Miter for
exact cut angles;
Spring (Crown) Angle
Trigonometric
Functions — Sine,
Cosine, Tangent;
Arcsine, Arccosine,
Arctangent
Arc, Circ —
Advanced Circular
Calculations, including
Column, Cone
Backspace Key —
Easily edit entries
Length, Width,
Height — Find Area,
Volume, Square-up,
Perimeter, Wall
Area, Room Area;
access Blocks,
Footing, Drywall
Dedicated Keys and Functions Make It Easy To Use
Compare Construction
Master Features
Dimensional Math and Conversions
5 55 5
Feet-Inch-Fraction, Inch Fraction, Yards
Decimal Feet (10ths, 100ths), Decimal Inches
5 55 5
Preset Fractions (1/2” through 1/64”)
5 55 5
D:M:S, Decimal Degree Entry and Conversions
5 55 5
Full Metrics (m, cm, mm)
5 55 5
Right Angle Solutions
5 55
Complete Right Angle/Rafter Calculations
Pitch Key (Slope and Grade)
5 55
Rise, Run, Diagonal/Common Rafters Key
5 55
Hip/Valley Key
5 55
Jack Rafters Key
5 55
Irregular Hip/Valley and Jacks Key
5 55
Rafter Cutting angles (
Plumb, Cheek and Level Cuts)
5 55
Stair Layout Key
5 55
Stair (Advanced - "Not to Exceed" Riser Height and Stairwell Opening)
5 55
Diagonal Key
5 55
Expanded Rake-Wall
5 55
Arched Rake-Wall
5 55
Studs: Find number On-center
5 55
Area and Volume Solutions
5 55 5
Square and Cubic
Roof - Bundles, Squares, 4x8 Sheets, Pitch, Plan Area
5
Drywall, Siding and Paneling 4x8, 4x9 and 4x12
5
Column/Cone Area and Volume
5 55
Basic Circular Calculations
5 55 5
Advanced Circular Calculations
5 55 5
Weight per Volume Conversions
5 55 5
Length, Width and Height Keys
5
Blocks, Footings
5 5
Special Functions
5
5
Trigonometric Function Keys
(
Sine, Cosine, Tangent, Arccosine, Arctangent)
Board Feet
5 55 5
Works as a Regular Calculator
(+, –, x, ÷, +/–, %, , 1/x, x
2
, !)
5 55 5
5 55 5
Entry Editing Backspace Key
5 55 5
Cost per Unit (Total costs based on unit price)
5 55 5
Equal Sided Polygon
5
Compound Miters
5 55
Crown Angle
5 55
Additional Capabilities and Characteristics
5 55 5
Paperless Tape
Number of Memories 4 44 4
CM Pro
4065
CM Pro
Trig
4080
Measure
Master Pro
4020
CM Pro
Desktop
44080
CONSTRUCTION MASTER
™
PRO DESKTOP
ADVANCED FEET-INCH-FRACTION CONSTRUCTION-MATH CALCULATOR WITH FULL TRIGONOMETRIC FUNCTION