The Johnson Construction Master Calculator is designed for entrepreneurs and construction professionals, offering advanced functionality in a user-friendly package. It simplifies complex calculations and ensures accuracy on the job site. Features & Benefits: Dedicated Building Applications: Addresses specific construction calculations for precision. Multiple Units of Measure: Supports calculations in yards, feet, inches, cm, and mm for versatility. Durable ABS Construction: Ensures the calculator withstands tough job site conditions. Protective Case & Reference Guide: Includes a protective case and handy reference guide for added convenience and protection. Detailed Description: The Construction Master Calculator provides dedicated functions for rise, run, and pitch calculations, ensuring accuracy for every project. Its durable design and included accessories make it an essential tool for any construction professional. Powered by 3V (2032) Lithium battery (included) Technical Specifications: Material: Durable ABS Power Source: 3V Lithium Battery Units of Measure: Yards, Feet, Inches, cm, mm Includes: Protective Case, Reference Guide