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This product has been replaced by CI-4050

Calculated Industries Construction Master IV 4045 - Best-Selling Construction Calculator
$58.95
Work Smarter, Build Better, and Improve Your Bottom Line!
Carry the #1 Builder's Calculator in your briefcase or tool belt, in the office or out in the field, and get the job done right the first time! Cut costs, time and errors. Build more professionally. And let the Construction Master IV be one of the most valuable tools you own!
Solve common building problems with the touch of a few buttons:
- Dimensional math & conversions
- Handles all fractions-1/2's, 1/4's, 1/8's, 1/16's, 1/32's, 1/64's
- Right-angle solutions, including rafters, rake walls, slopes & square-ups
- Stair layout calculations
- Circle solutions
- Areas & volumes
- Board feet, material cost/estimation problems, and more!
- User's Guide
- Protective Case
- Long-Life Battery
- 1-Year Warranty