Logos | RPN Calculator app for iPhone and iPad

Logos is a calculator designed with the Reverse Polish Notation at its core. Reverse Polish notation (RPN) is a mathematical notation in which every operator follows all of its operands, allowing for extreme efficiency and clarity.

FEATURES:

* RPN Based: Enter your operands first, then your operators
* Stack Preview: Your current Equation is displayed above the Result
* Advanced Mathematical/Scientific Views
* Calculate with Degrees or Radians
* Supports Scientific Notation
* Memory Storage and Retrieval
* Graphing Calculator
* Custom Logs
* Specific Error Messages

Functions:

* Percent
* Sum
* Inverse Trigonometry
* Calculus Functions
* Algebraic Programs
* Custom Logs
* Custom Exponents
* Factorials
* Combinations and Permutations
* Pi and e Constants
* And Many More!

Now you can do any calculations in the RPN way on the go.