A practical and functional calculator, for any type of use, 100% free!

It is a classic scientific calculator, which:
-It is built specifically for iPad
-Can save previous calculations and reuse them for new calculations
-Supports various types of operations
-Shows the partial results of the expression even before the calculation is finished
-Shows the current expression above the result, so you don't forget the initial calculation

This calculator is 100% free, so there are no annoying pop-ups asking to buy a full version or a subscription!