Manufacturer Part Number: 4088|Calculator Type|MachinistNumber of Functions|57Calculator Length (Decimal Inch)|8.2500Digit Color|Power Source|BatteryNumber Of Digits|12Batteries Included|YesCalculator Thickness (Decimal Inch)|1.2500Battery Chemistry|Battery Size|3VNumber Of Batteries|1Material|Color|Display Height|0.813in; 21mmDisplay Length|2.5in; 65mmCalculator Length|Calculator Thickness|Calculator Width|Features|Bolt-Circle Patterns; Cost-Effective Handheld Calculator; Larger 2-Line LCD Display; Portable & Rugged; Right Triangle Solutions; Step-Saving Drill; Thread Chart Look-UpsStandards|ANSI/ASME B1.1-2003; ANSI/ASME B1.13M-2005Includes|1 x 3-Volt CR2025 Long-Life Battery; 1 x Armadillo Gear case; 1 x Quick Reference Guide & Complete; One Year WarrantyDisplay Length (Decimal Inch)|Display Height (Decimal Inch)|UNSPSC Code|44101808