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๐ Build smarter, faster, and waste less with the ultimate construction calculator.
The Calculated Industries 4050 Construction Master 5 is a professional-grade calculator designed for contractors, estimators, builders, and carpenters. It supports both metric and imperial units, offers built-in solutions for complex construction math including angles, stairs, and volume calculations, and helps reduce material waste. Lightweight and durable, it features a 2.5-inch LCD, protective cover, and long-life batteries, making it an indispensable tool for accurate, efficient project planning and execution.










| 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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