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๐ Build smarter, not harder โ your ultimate construction sidekick!
The Calculated Industries 4050 Construction Master 5 is a professional-grade calculator designed for contractors, estimators, builders, and carpenters. It offers quick, accurate conversions and calculations in both metric and imperial units, with specialized functions for angles, stairs, roofing, and material estimates. Compact and durable, it includes a protective cover, long-life batteries, and a one-year warranty, making it an indispensable tool that reduces errors and saves time on every project.










| ASIN | B0008GO6A6 |
| Best Sellers Rank | 163,716 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 64 in Financial & Business Calculators |
| Brand Name | Calculated Industries |
| Calculator Type | Engineering/Scientific |
| Colour | Black |
| Country of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (216) |
| Display Type | LCD |
| Enclosure Material | Plastic |
| Item Weight | 0.17 Kilograms |
| Manufacturer | Calculated Industries |
| Manufacturer Part Number | 4050 |
| Model Name | Construction Master 5 |
| Model Number | 4050 |
| Number of Batteries | 2 LR44 batteries required. (included) |
| Power Source | Battery Powered |
| Product Warranty | One year warranty |
| Screen Size | 2.5 Inches |
| UPC | 098584040505 791836793418 733353054665 767674984707 |
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