Add, subtract, multiply and divide feet, inches, yards, meters, board feet, even square and cubic dimensions. Calculates automatic solutions for rafters and right angles, including custom pitch, rise, run, diagonal, and hip/valley calculations.

• Features custom rafter key, hip/valley rafters, jack rafters and stair stringers
• Protect your valuable calculator with the optional shock-absorbing, ergonomic, soft-grip Armadillo protective case!
• A popular calculator designed especially for professional builders, contractors and architects
• One-year warranty.

Spec Sheet