# CI Construction Calculators Comparison

Dimensional Math & Conversions

Full Metrics (m, cm, mm)

Decimal Feet (10ths, 100ths), Decimal Inches

D:M:S, Decimal Degree Entry and Conversions

Feet-Inch-Fraction, Fractional Inch, Yards

Preset Fractions (1/2" through 1/64")

Right Angle Solutions

Complete Right Angle/Rafter Calculations

Pitch Key (Slope and Grade), HipNalley Key, Stair Layout Key & Diagonal Key

Rise, Run, Diagonal/Common Rafters

Jack Rafters Key, Irregular HipNalley and Jacks

Rafter Cutting Angles (Plumb, Cheek and Level Cuts)

Advanced Stair Calculations (Riser Limit, Stairwell Opening, Headroom, Floor Thickness)

Rake-Wall with Base & Arched Rake-Wall

Studs: Find Amount Based on On-center Spacing

Area and Volume Solutions

Square and Cubic

Roof - Bundles, Squares, 4x8 Sheets, Pitch, Plan Area

Drywall, Siding and Paneling 4x8, 4x9 and 4x12

Column/Cone Area and Volume & Advanced Circular Calculations

Basic Circular Calculations & Weight per Volume Conversions

Length, Width and Height Keys

Blocks, Footings

Special Functions

Trigonometric Function Keys (Sine, Cosine, Tangent, Arcsine, Arccosine, Arctangent)

Spring (Crown) Angle, Equal-sided Polygon, Compound Miters & Spring (Crown) Angle

Board Feet

Works as a Regular Calculator(+,-, x, +, +/-, {490ede0002b08415e87ccfeefe6774198f39eeaaf2837a3b8bd3ca5866846f85}, n, 1/x, x2, ../X)

User-Definable Preferences & Entry-Editing Backspace Key

Cost per Unit (Total Costs Based on Unit Price)

Additional Capabilities and Characteristics

Paperless Tape

Number of Memories

4

4

4

4