CALCULATED MACHINISTCALC PRO

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