Description: GeoGebra is free and multi-platform dynamic mathematics software for all levels of education that joins geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. It can be used for interactive learning and teaching mathematics.
Type: software
Pricing: Open Source
Description: TTCalc is a free and open-source calculator software for Windows. It provides standard, scientific, programmer, date calculation, and converter modes. Key features include customizable hotkeys, variables, functions, syntax highlighting, and multi-line editing.
Type: software
Pricing: Free