Calculator Pro Plus is a fully functional calculator with scientific feature set designed for the iPad. While in Portrait mode Calculator PP will offer you its practical standard features. By switching into landscape mode youll be able to use all of Calculator PPs scientific features.
Special features:
-Shows complete equations on screen !
-Scientific mode (trigonometric functions, faculty, ln, log....)
-Supports decimal-separation according to your region
-Supports the extended usage of Parentheses