10i Specifications (General Purpose): 
-Preset 
-10 Reference Signals 
-Display-Off Mode 
-Multi point axis error compensation 
-Absolute & incremental 
-Inch / mm 
-Speed and counting alarms 
-Data back-up 
-Resolutions from 0, 1 to 500 microns. Hysterisis Part Centering 

10i-E Specifications (EDM and Grinders): 
-Same as above plus: 
-20 Work Offsets 
-Bolt Hole (with recent data memory) 
-Linear hole pattern 
-Park Skew (alignment) 
-Tool Radius Compensation 
-Arc Machining 
-Calculator 
-Machine Axis Rotation 
-6 digital outputs 
-4 digital inputs