**** FREE until launch of version 2.0 ****Units is a simple, yet elegantly designed unit converter. Unlike most other unit converters, Units looks and works a lot like a calculator. You punch in digits and Units does the conversion on the fly.Units remembers the last used conversion units for each mode. Combinations that you use often can be saved for quick access via 3 user-assignable buttons.Currency exchange rates are updated once a day from our server, but you can also do a manual fetch when you want to.Features:- Supports most common units, and a few specialized conversions- Go green: Calculate your Carbon Dioxide emissions of your car- Clear button can be customized to act as backspace- Clear button changes to +/- when converting from Celsius or Fahrenheit.- Enter fractions and mixed units such as 3ft 2 3/4in- Save upto 3 often used combiations to the user-assignable buttons- Conversion happens as you type. No need to press another button- Reverse direction of conversion with one press of a button- Currency exchange rates are automatically downloaded once a day- Shake to clear the screen- Rotate device to compare values across units- Copy and paste values between apps