If you only need a better-looking math interface for basic calculations, the Starter Edition (App4Math) is entirely free.

Zoom Math 500 is an exceptional tool for anyone looking to improve their math skills. Its comprehensive coverage, interactive interface, and step-by-step solutions make it an invaluable resource for students. While the free version has its limitations, the benefits of the software far outweigh the costs. I highly recommend Zoom Math 500 to anyone seeking to boost their mathematical abilities.

: Effectively solves many common, simple calculus problems, though it has known weaknesses with improper integrals.