Turo – The Useful Calculator

Never make a wrong calculation again with Turo: The Useful Calculator.

Simple, elegant and clever, you can't go wrong when using this unique calculator's keyboard which only displays valid expressions. Use it to calculate simple sums, difficult equations and even work out calculations between different units of measurements - both imperial and metric.

Features:
– the display shows the full expression as you type it, e.g. 1 + 2 * 3,
– swipeable keyboard actively helps you type valid expressions,
– easily calculate with everyday units (e.g. miles, cm, litre, acres) and convert between them.

This calculator is being actively developed and feedback is welcomed.