Calculated Industries #4105, Construction Master Software for Windows 

 Feet-Inch-Fraction and Metric Construction-Math Software

Now you can have powerful Construction-Math software on your PC! Calculate in Feet, Inches and Fractions. Instantly find Areas, Volumes and more! Check plan dimensions and take-offs. Use it as a handy pop-up program without leaving your CAD, estimating, scheduling, spreadsheet or other applications. Print results and take them directly to the jobsite.

It helps you:

• Convenient and Accessible: ideal for planning and estimating – handy pop-up with CAD or spreadsheet programs
• Simplify Construction Math, work in and convert between building and construction dimensions; Feet-Inches-Fractions
• One-Keystroke Solutions - Easily find Areas and Volumes
• Increase Your Efficiency While Cutting Costs - Complete Frame, Roof and Stair Solutions; Square-ups, Weight per Volume

• Convenient and Accessible. Ideal for planning and estimating – handy pop-up with CAD or spreadsheet programs
• Work in and Convert Between All Building Dimensional Formats, Feet, Inches, Fractions and Metric - Including Square and Cubic Formats.
• Custom Rafter Keys: Find Common, Regular (45°) and Irregular (non-45°) Hips/Valley and Jack Rafters
• Jack Rafter Functions: Provide complete solutions in ascending or descending order for Regular- and Irregular- pitch roofs.
• Instant Rafter Cutting Angles: Cheek, Level and Plumb
• Circular Solutions: Arches, Column/Cone, Pillars, Windows, Post-holes and more
• Rake-Wall Key: Determine each stud length for any On-center spacing; ascending or descending order
• Stair Solutions: Risers, Treads, Stringer Length, Incline Angle
• Trigonometric functions: simplify complex construction-math; Sine, Cosine, Tangent, Arcsine Arccosine and Arctangent
• D:M:S to Decimal Degree Conversions
• Automatic Block and Footing Solutions
• Backspace Key
• Ten built-in Memories: Store constants and accumulate values
• Preference Function For User-Defined Options: Custom-Set Fractions: 1/2, 1/4, 1/8, 1/16, 1/32, and 1/64
• Constant Operator
• Exponential Notation

Operating System:
Pentium 166MHz or greater
Windows® 9x, ME, 2000, XP
6MB or greater memory
16MB Free Hard Disk Space
CD-ROM Drive
Not Available for MAC