Description: Derive is a mathematical software program used for symbolic and numeric manipulation of mathematical expressions. It has a graphical user interface and can perform various calculations, plot graphs, solve equations, and assist with math education.
Type: software
Description: PDFsam is an open-source PDF editing software that allows users to merge, split, rotate, mix and extract pages from PDF files. It has a graphical user interface and offers basic PDF manipulation functionalities for free.
Type: software
Pricing: Open Source