App: Calc Sharp
Developer: 锦文 游
Genres: Productivity, Utilities

Calc Sharp is a feature-rich, simple and practical operation of text calculator.

Calculator tool Features :
WYSIWYG glance.
Easy to use, low threshold, for the majority of students and staff to use
Support displays the calculated step function
Support undo and anti- undo function
Support flexible and complex calculations expressions.

Specific Features
* Support for the basic arithmetic operators
* Support exponentiation
* Support for radical sign operation
* Support for logarithm operations
* Support factorial and double factorial operator
* Support Permutation and combination
* Support trigonometric and inverse trigonometric
* Support hyperbolic functions and inverse hyperbolic functions
* Support for sum method and average method
* Support for the maximum and minimum approach
* Support for the greatest common divisor and least common multiple
* Support for remainder
* Supports integer interception , rounding up and rounding down to rounding methods.
* Support random number and range of random numbers
* Support summation (Σ) and quadrature (Π) op
* Support definite integral (∫) operation
* Support convert degrees to radians and radians to degrees operator
* Support for binary, octal, decimal, hexadecimal conversion between.
* Support degrees (DEG) and radians (RAD) two calculation modes
* Support rounded to the decimal digits function
* Supports Undo and anti-undo function. 
* Support the cursor forward and backward functions
* Support clear and delete the previous character feature.
* Support to display the calculation steps function.

Calculator Sharp for iPhone&iPad:https://itunes.apple.com/us/app/calculator-sharp+/id877133101?ls=1&mt=8

Release notes: