As CNC machinists can find useful mobile app for Android and iPhone here CNC Mobile Apps.

Windows phone
Here is a useful app for Windows Phone.
CNC Machine Calculator – Windows Phone App
CNC machine calculator app is designed to make a machinists job easy! It is simple to use yet powerful.
CNC Machine Calculator includes following calculators
- Surface footage to rpm and rpm to surface footage conversion
- Counter sink depth calculator, enter your spot drill angle and the amount you want to change the c’sink diameter by it will give you the amount to drop the tool by.
- Right Angle Trig Solver
CNC Machine Calculator Download Link

CNC Machine Calculator

CNC Machine Calculator

CNC Machine Calculator

CNC Machine Calculator
CNC Machine Calculator – Windows Phone App. CNC machine calculator app is designed to make a machinists job easy! It is simple to use yet powerful.