Features

Algebraic entry.
Scrollable calculating history.
Send your calculating history via e-mail.
Older results and entries are reusable in new calculations by simply tapping them.
Comfortable input with a movable cursor to correct wrong entries.
Localized results (decimal & thousands separators).
Entries, results and error messages are distinguished by color.
Scientific notation for very large or small numbers.
Calculations between 10-308 and 10308

„Ans“ button for calculating approximation algorithms.
Degree, radian and grad modes for trigonometric functions.
Functions for probability theory (number of combinations, number of permutations, factorial, random number)
Functions with multiple arguments like max(2,3,1...).
26 available variables (a-z) to store your results for later use (though you can also simply scroll back to retrieve older results if you didn‘t clear the screen).
A Catalog menu where you can browse through the list of available functions.