HiPER Scientific Calculator is a highly rated calculator with over 35 million downloads and 200,000 five-star ratings. It has a high level of precision, with up to 100 digits of significand and 9 digits of exponent. The calculator can detect repeating decimals and numbers can be entered as fractions or converted to fractions. It also has several layouts suitable for various screen sizes, including a multiline display for tablets to show the complete history of calculations and provide access to previous results. Users can choose from several high-quality themes.<br/><br/>The calculator has a wide range of functions, including basic arithmetic operations, fractions, mixed numbers, periodic numbers, unlimited number of braces, operator priority, repeated operations, equations, variables and symbolic computation, derivatives and integrals, graphs of functions and integral area, 3D graphs, and more. It also has advanced number operations such as random numbers, combinations, permutations, common greatest divisor, etc. Other features include trigonometric and hyperbolic functions, powers, roots, logarithms, 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 250 units, and Reverse Polish notation.<br/><br/>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. The calculator is available in several layouts suitable for various screen sizes, including a multiline display for tablets to show the complete history of calculations and provide access to previous results. Users can choose from several high-quality themes. The calculator has a wide range of functions, including basic arithmetic operations, fractions, mixed numbers, periodic numbers, unlimited number of braces, operator priority, repeated operations, equations, variables and symbolic computation, derivatives and integrals, graphs of functions and integral area, 3D graphs, and more.