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Try the CP-20E, our new free standard calculator for Windows.
Square root and percentage calculations and more.
Easy use. Wide range and high precision calculations.
User's Manual in PDF format.
CP-20E
Freeware standard Calculator
18 functionalities
Percentage, square root, add / subtract to the memory and the four basic operations.
16 precision digits
Internal calculations are performed with 16 digits to get exact results.
Very large numbers in scientific notation
This wide range allows us to deal any challenge of calculation.
28 levels of parentheses
We can nest until 28 levels of parentheses in our expression calculations.
- Results are copied automatically to the clipboard.
- Always visible option (the application window is always on top).
- 1 user's variable (memory) (it is saved even when the application is closed)
- Width = 329 px, height = 346 px
