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Chameleon Calculator

iPhone / iPad
  • Utilities
  • Productivity
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Chameleon Calculator is a full featured calculator construction kit and a powerful calculator. Design a calculator just the way you want it. Customize the font, colors, functions, sizes, buttons, and more. Share your calculators, or download more for free from

Create a calculator with the buttons in just the right order, or create a beautiful, functional work of art. Pick from 200+ functions (and growing) or create your own by programming a button to do what you want.

Features include:
- Create and share custom calculators
- Hundreds of functions to choose from
- Unit conversions
- Fractions, mixed numbers, convert fraction to decimal and back
- Standard algebraic entry & RPN (reverse polish notation)
- Multiple levels of undo and redo
- Date calculations
- All memory and registers are saved when you quit the app
- Make custom programs the easy way. No need to learn a programming language. Create a button that calculates your local tax rate, etc.