Description: doPDF is a free PDF printer that allows you to convert documents from any Windows application to PDF files. It installs as a regular printer and allows you to print to PDF from any software.
Type: software
Description: Symbolab is an online math solver and calculator that provides step-by-step solutions for algebra, trigonometry, calculus and more. It can solve equations, simplify expressions, factor polynomials, plot graphs and more.
Type: software