An easy to use scientific calculator Calcbuddy Calculator is an easy to use scientific calculator. CalcBuddy is now also available for iPhone, iPad and iPod Touch. The calculator features: * See entire expression on screen* Instant as-you-type calculation* 15 functions: trig, log, +more* Radians or Degrees* 30 scientific constants* Full operation & result history* View answer as fraction* Digit grouping of result* Storage between sessions* 9 different skins to choose from* Built-in help chapter & links to more info online This app is intended as a handy multi-purpose calculator. For a basic calculator, all you need is on the Standard tab, and for a scientific calculator you've got the Functions and Constants. Many of the constants can be very helpful in physics and chemistry calculations. NOTE: If sin, cos, tan or their inverse functions don't give the expected answer, make sure you have selected the correct angle mode. You switch between radians and degrees in Menu -> Settings.