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SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
Line Graph Maker - Create a line graph for free with easy to use tools and download the line graph as jpg or png file.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
Desmos - A beautiful, innovative, and modern online graphing calculator.
Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
GeoGebra - GeoGebra is free and multi-platform dynamic mathematics software for learning and teaching.