PushCalc Free is a free version of PushCalc, a powerful and easy to use calculator, which has the following unique features.

1. POWERFUL STACK

You can push or pop numbers on the stack instead of memory in a normal calculator.
The stack has a hundred of depth and a hundred of pages and you can push, pop or calculate numbers to anywhere you want on the stack.

You can calculate to all numbers on a stack page at once.

All stack pages are saved and restored even you quit the application.

2. UNDO CALCULATION

You can undo the calculation.
Multiple undo is possible.

3. CALCULATION HISTORY

The calculation history is created automatically and you can reuse the previous calculated value from the history.

4. RPN MODE

You can choose from 2 modes, one is a normal calculator mode as a normal calculator and the other is RPN, reverse polish notation, calculator mode.
You can use the powerful features described above in either mode.