Students and scientists from the 1980s will remember the classic RPN scientific calculators. These calculators strike a perfect balance between functionality and complexity.* Complex number arithmetic and trig functions* Matrix calculations* Numerical root finder* Numerical integration* Statistical functions, linear regression* Fully programmableThis app is completely free, no ads or extra bits to buy. I love this calculator and I like to share.
||Compatible with iPod Touch (3rd generation or later, iPhone 3Gs, iPhone 4, iPad. iTunes account required.