HiPER Calc Pro is an advanced version of HiPER Scientific Calculator.The calculator has up to 100 digits of significand and 9 digits of exponent. It detects repeating decimals and numbers can be also entered as fractions or converted to fractions.You can write expressions in a natural way and watch your calculations. The result is displayed as a number, simplified expression etc.The calculator has several layouts suitable for various screen sizes:- "pocket" for small devices- "compact" for smartphones (in portrait and landscape orientation)- "expanded" for tabletsA multiline display can be turned on in tablets to show the complete history of calculations and to provide access the previous results.Users can choose from several high-quality themes.The calculator has several functions, such as:- basic arithmetic operations including percentage, modulo and negation;- fractions (in the expression mode any expression including nested fractions can be entered as a numerator and a denominator);- mixed numbers;- periodic numbers and their conversion to fractions;- unlimited number of braces;- operator priority;- repeated operations;- equations- variables and symbolic computation;- derivatives and integrals;- graphs of functions and integral area, 3D graphs;- calculation details - extended information about a calculation like all complex roots, unit circle etc.;- complex numbers- conversion between rectangular and polar coordinates- advanced number operations such as random numbers, combinations, permutations, common greatest divisor, etc.;- trigonometric and hyperbolic functions;- powers, roots, logarithms, etc.;- degrees, minutes and seconds conversion;- fixed point, scientific and engineering display format;- display exponent as SI units prefix;- memory operations with 10 extended memories;- clipboard operations with various clipboard formats;- result history;- binary, octal and hexadecimal numeral systems;- logical operations;- bitwise shifts and rotations;- haptic feedback;- more than 90 physical constants;- conversion among 200 units;- Reverse Polish notation.The calculator has many settings to manage the full screen mode, decimal and thousand separators, etc.All features are described with a built-in help.