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: A rule of 3 calculator is a simple tool used to solve proportional math problems. It allows you to enter 3 numeric values and calculates the 4th value based on the proportional relationship.
Type: software
Pricing: Paid