The calculator has 15 digits of significand and 3 digits of exponent in free version and up to 100 digits of significand and 9 digits of exponent in HiPER Calc Pro. It detects repeating decimals, numbers can be entered also as fractions or converted to them.
Pro version has the expression mode where you can write expressions in a natural way and watch what you are calculating.
Calculator has several layouts suitable for various screen sizes:
- pocket view for small devices
- compact view for smartphones (in portrait and landscape orientation)
- expanded view for tablets
Multi line display can be turned on on tablets to show the whole history of calculations and to access the previous results.
Users can choose from several high quality themes.
Calculator has many more functions:
- basic arithmetic operations including percentage, modulo, negation
- mixed and improper fractions
- periodic numbers and their conversion to fractions
- unlimited number of braces
- oper
