• Speeds and Feeds - Easily calculates your spindle speed RPM and feed rate (IPM) values
• Trigonometric Functions - Sine, Cosine, Tangent, Arcsine, Arcosine and Arctangent
• Right Triangle Math - Solves sine bar angle or any calculations involving unknown sides or angles. Easily converts between X-Y and polar co-ordinates
• Work in and convert between Metric and U.S. Units - Metres, centimetres, millimetres, feet, inches, fractions and mils. Tons, grams, kilograms, metric tonnes and pounds
• Works as a standard math calculator - +, -, +/-, %, 1/x, Pi, square root with memory and auto shut off
• Bolt Pattern - Easily calculates centre to centre chord lengths and all your x-y co-ordinates for any diameter circle or number of bolts from any start point (centred, rotated or x-y offsets)
• Thread sizes - Finds the tap or rod sizes of entered numeric, fractional or metric threads for any percent thread grip. Also provides the pitch, major and minor diameters for the specified class, grade and type
• Drill Point - Find the drill point cut depth for any cutting angle and drill size
• Drill Size - Gives you the closest fitting drill size for any hole diameter; plus scrolls up/down drill chart through all numeric, letter and metric sizes
• Included with the calculator is a rugged, shock, dust and moisture resistant Armadillo Gear case. Long life batteries (Two LR44), Quick Reference Guide and Easy to follow users guide

Engineers Calculator - Advanced Machining Math and Reference Tool

Key Specifications

Size - 160mm x 90mm x 25mm. (6.25" x 3.5" x 0.9") with Armadillo Gear case

Power - Two 1.5V (LR44/A76) Long Life Batteries

Display - 12 Digits (8 normal, 4 fractions) with full Annunciators

Accuracy - 12 Digit Internal Accuracy

Full One Year Limited Warranty