The Master Pro Desktop gives advanced feet-inch-fraction with full trigonometric functions! It’s easy to use for fast, accurate solutions to construction problems. Perfect for completing layouts, bids and estimates- saves time, money, materials and frustration.

Features include:

• Adds, subtracts, multiplies, and divides in Feet-Inch-Fractions, Decimal Feet, Inches and Fractions, Decimal Inches, Yards, Meters, Centimeters, Millimeters, Board Feet, as well as both Square and Cubic measurements.
• New ! Automatic Block and Footing keys, instant Rafter Cutting Angles. Roof Areas, new Column/Cone solutions, and D:M:S to Decimal Degree conversions.
• Automatically converts to and from any dimensional format. (Cubic Feet to Cubic Yards, Meters to Inches, Square Feet to Square Inches, etc.)
• New Backspace Key. Allows simple editing of just-entered values.
• New Three Built-in Memories. Store constants/accumulate values in any format.
• New Exponential Notation function allows you to enter and display exponential values.
• Constant Operator. Simplifies repetitive calculations.
• Solutions for Rafters and Right Angles. Built-in keys instantly find lengths for: Common Rafters, Regular 45° Hips/Valleys and Jack Rafters, Irregular Hips/Valleys and Jack Rafters. Also allows you to enter Pitch in Inches or Degrees.
• Stair functions instantly determine number of Risers and Treads, Riser Height, Tread Width, any Overage or Underage, Stringer Length, and Incline Angle.
• Raked-wall key finds each stud length for any pitch or o.c. spacing.
• Circle key instantly calculates circumference, circle area, and arc lengths for solutions for columns, windows, pillars, postholes and more.
• Weight-per-Volume key converts between weights (lbs, tons, kg) and finds weights of any material (tons per cubic yard, lbs per cubic foot, etc.).
• Custom Fraction Setting allows fractions to be preset from nearest 1/2" to 1/64".
• User-Set Preference feature allows permanent setting of many user defined options.
• "Paperless" Tape allows review of the last 20 entries.