Hi,
We have develop the free Machining calculator and technical manual for the metalwork industry called by Camcut. Camcut mobile app includes a variety of technical calculators which help you to calculate machining values, coordinates, thermal expansion and other calculations related to metalwork. The application also includes many different standardized tables. In these tables you can find for example dimensions for different threads as well as general and ISO tolerances. The application's guides include plenty of useful information about most relevant topics in machining, such as G-codes, functionalities of Mastercam and geometrical tolerances. The application is specifically designed as a tool for production workers and other personnel of machining workshops, as well as an aid for metalwork teachers and students. The application is available in various languages including Deutsch, Eesti, English, Español, Français, Italiano, Polski, Português, Russia, Suomi, Svenska. The application is free of charge.

Check it out:
https://www.camcut.fi/app-en