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A Scientific and Engineering Calculator with large buttons AND functionality. 0.78 Update:

  • Saves data better
  • Hitting CE/C twice does AC
  • Inverse tangent is now correct


  • Trigonometry
  • MOD (modulo)
  • Binary, Octal and Hexadecimal
  • View Fractions (F<->D)
  • ‘2nd’ button

Comments and suggestions welcome.

Planned Improvements

  • Undo functionality
  • Faster and more reliable
  • Customizable button layout

Works well on Droid. Best scientific-engineering calc that i have found so far, but i’d rather see a few more buttons instead of menu and dual func. -rick (4/16/2010)

Awesome update, love the programming conversions and simplicity -Keith (4/10/2010)

cool -alex (3/16/2010)