DrillBit Calc
Detailed App Info:
Application Description
Calculation of rotation speed in percussion drilling
Requirements
Your mobile device must have at least 915.55 KB of space to download and install DrillBit Calc app. DrillBit Calc is available on iTunes for $6.99
If you have any problems with installation or in-app purchase, found bugs, questions, comments about this application, you can visit the official website of Yngve Nilsen at http://www.ywn.no.
Copyright © 2014 Yngve Wikøren Nilsen