HiPER Scientific Calculator app for iPhone and iPad

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:

- 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
- sums and products of sequences
- 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
- 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 with a built-in help.

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Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/