Excellent scientific calculator with symbolic algebra, equations, integrals and derivatives. 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 tablets The calculator has many functions, such as: - up to 100 digits of significand and 9 digits of exponent - basic arithmetic operations including percentage, modulo and negation - fractions and mixed numbers - periodic numbers and their conversion to fractions - unlimited number of braces - operator priority - repeated operations - equations (with one or more variables, systems of equations) - variables and symbolic computation - derivatives and integrals - calculation details - extended information about the calculation - matrices and vectors - statistics - regression analysis - complex numbers - conversion between rectangular and polar coordinates - sums and products of series - limits - 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 - clipboard operations with various clipboard formats - binary, octal and hexadecimal numeral systems - logical operations - bitwise shifts and rotations - haptic feedback The calculator has many settings to manage the full screen mode, decimal and thousand separators, etc. All features are described in the built-in help. Privacy Policy: https://hiperdevelopment.wixsite.com/pp-ios Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/