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Works in and Converts Between All Building Dimensional Formats: Feet, Inches, Fractions and Metric - Including Square and Cubic Formats. Custom Rafter keys give you Common, Regular (45) and Irregular (non-45) Hips/Valley and Jack Rafters. Jack Rafter functions provide complete solutions in ascending/descending order for Regular- and Irregular- pitch roofs. Instant rafter cutting angles - Cheek, Level and Plumb. Advanced circular solutions for arches, column/cone, pillars, windows, post holes and more. Rake-Wall key determines each stud length for any on-center spacing; ascending or descending order. Complete stair solutions for 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 makes it easy to change just entered values. Three 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.PC Requirements: 166 MHz Processor or Higher Windows 9x, 2000, ME or XP 6 MB Hard Drive Space 16 MB RAM CD-ROM 800x600 VGA Resolution Monitor
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