eCalc Scientific Calculator vs Scalar Scientific Calculator

eCalc Scientific Calculator is a free scientific calculator app for Windows. It provides advanced math and graphing functions including trigonometry, statistics, matrices, calculus, chemistry, and more. The intuitive interface allows easy access to all features.

Scalar Scientific Calculator is a free and open-source calculus software designed for studying and teaching higher level mathematics. It features a clean interface and has advanced matrix and plotting capabilities, as well as support for symbolic math.