Every student, scientist, and engineer needs a decent scientific calculator. These days, you can pick up these types of calculators for an affordable price (as long as you do not need those fancy ones). Why do that when you can use PCalc RPN Calculator to transform your iPhone into a killer calculator and save some money in the process.
PCalc RPN Calculator offers a lot of value to those wanting to tackle technical problems on their iPhone. For starters, it has a familiar interface which is not hard to figure out. It supports popular math functions such as square-root, inverse power, and power. PCalc does have plenty of settings which can be customized.
The app offers cool features such as undo/redo,, unit conversions, and hexadecimal, octal, and binary calculations (making it useful for computer scientists and programmers too).
PCalc RPN Calculator is not a graphing calculator and it does not intend to be. At the same time, it is highly customizable and does look decent on iPhone and iPad. It certainly beats having to deal with a real calculator.