Natural Scientific Calculator

PG Calculator is a power full scientific skinable calculator. It is an excellent replacement for standard Windows calculator. PG Calculator works in algebraic and RPN mode. It recognizes real and complex numbers and allows simple vectors manipulations. There are up to 120 recognized units of measure with possibility to make easy conversions between consistent units. PG Calculator allows user-defined variables. It enables numbers inputing in binary, octal, hexadecimal and exponential formats. Graphical user interface can be easy changed with skin implementation. As you can see on the picture PG Calculator will look like real calculator on your desktop

ProKalc (short for Professional Kalkulator) is a 32-bit Microsoft Windows scientific and financial calculator. This version of ProKalc has a scrollable tape that shows the results of all calculations. ProKalc is an improvement over the Windows calculator since it shows 15 digits with no rounding errors. ProKalc is intended for use with Windows 95, 98, NT, 2000, or XP and may not be used with Windows 3.11 and earlier versions. ProKalc is a complete scientific calculator with the standard mathematical functions +, -, x, / as well as numerous math functions. Included are powers, roots, reciprocals, percentage, absolute value, base 10 logarithms, natural logarithms, trigonometric functions, hyperbolic functions, combinations, permutations, etc. ProKalc has a 10-location non-volatile memory – the value stored in each memory location is saved to file and reinitialized upon restarting ProKalc.

HiPER Calc Pro is advanced version of HiPER Scientific Calculator.
The calculator has up to 100 digits of significand and 9 digits of exponent. It detects repeating decimals, numbers can be entered also as fractions or converted to them.

HiPER Calc Pro is advanced version of HiPER Scientific Calculator. The calculator has up to 100 digits of significand and 9 digits of exponent. It detects repeating decimals, numbers can be entered also as fractions or converted to them.

HiPER Calc Pro is advanced version of HiPER Scientific Calculator. The calculator has up to 100 digits of significand and 9 digits of exponent. It detects repeating decimals, numbers can be entered also as fractions or converted to them.

HiPER Calc Pro is advanced version of HiPER Scientific Calculator. The calculator has up to 100 digits of significand and 9 digits of exponent. It detects repeating decimals, numbers can be entered also as fractions or converted to them.

HiPER Calc Pro is advanced version of HiPER Scientific Calculator. The calculator has up to 100 digits of significand and 9 digits of exponent. It detects repeating decimals, numbers can be entered also as fractions or converted to them.

HiPER Calc Pro is advanced version of HiPER Scientific Calculator. The calculator has up to 100 digits of significand and 9 digits of exponent. It detects repeating decimals, numbers can be entered also as fractions or converted to them.

HiPER Calc Pro is advanced version of HiPER Scientific Calculator. The calculator has up to 100 digits of significand and 9 digits of exponent. It detects repeating decimals, numbers can be entered also as fractions or converted to them.

HiPER Calc Pro is advanced version of HiPER Scientific Calculator. The calculator has up to 100 digits of significand and 9 digits of exponent. It detects repeating decimals, numbers can be entered also as fractions or converted to them.