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
Model: 4105
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