Kalkul8or app for iPhone and iPad

*THE BEST RPN CALCULATOR ON APP STORES WORLDWIDE*
Kalkul8or is an easy to use, everyday calculator based on the Reverse Polish Notation (RPN).

FEATURES
*History Tape
*Equation Preview
*All you need RPN calculation buttons in both Potrait and Landscape
*Calculate in Degrees or Radians
*Other buttons behave as expected

CALCULATION OPERANDS AND OPERATORS
Kalkul8tor consists of the relevant calculation features known to RPN, which can also be applied in normal calculations: Addition, Subtraction, Division, Multiplication, Square, Square Root, Natural Logarithm, Base 10 Logarithm, Sinus, Cosinus, Tangus, Arc Sinus, Arc Cosinus, Arc Tangus, Multiplicative Inverse and Factorial.