PistonCalc 1.5.2 for iOS

New in version 1.5.2:
  • Fixed a problem with converting minutes to seconds in the speed panel

PistonCalc 1.5.0 for iOS

New in version 1.5:
  • Optimizing for screens iPhone 4.5" and 5.5".
  • iPad multitasking (split view).
  • 32 and 64 bit, support for iOS 9 and later.

New calculations:
  • Speed - added pace in miles and km.
  • The average piston speed - added speed in feet per minute with conversion.
  • Torque - added speed in radians / sec.
  • Power - added power boiler (imperial).