In addition to all the technology ramblings I post here every month, I am also a student. This is my final semester in an undergraduate mathematics program with a secondary in education. I believe free open source software (FOSS) is the way of the future and should be used in schools as much as possible. In addition to being free of charge, having code be open promotes learning (as future computer students can see how the internals of a program work).

Part of my final semester was student teaching at a local high school. Technology is very much a part of the classroom in 2011 and I used a number of open source tools to aide in my teaching. The following is a collection of some of the best open source tools around that you can use to enrich your mathematics class.

Geogebra

Task: Interactive Geometry Software

Platforms: Linux, OSX, Windows

I believe Geogebra is easily one of the best pieces of educational mathematics software around. It is easily comparable to Geometer's Sketchpad and performs many of the same functions. One of the largest advantages of Geogebra is that because it is written fully in java it can be run 100% in the webrowser, requiring no installation.

KAlgebra

Task: Function Plotting

Platforms: Linux

KAlgebra is a calculator that has both symbolic and analysis features that lets you plot 2D and 3D functions. In the 2D function plotting tagent lines along a function are also easy to display simply by moving the mouse.

wxMaxima

Task: Computer Algebra System

Platforms: Linux, OSX, Windows

wxMaxima is a Computer Algebra System (CAS) that is a GUI front end to Maxima. It has a wide range of features which I've described in more detail in my post here.

XCAS

Task: Computer Algebra System

Platforms: Linux, OSX, Windows

XCAS describes it's as the "swiss knife of mathematics" - which isn't too far from the truth. It has all the features you would expect from a CAS and then some! One of the most notable features though is that it comes with a "maple syntax" option - so those coming from the closed source Maple will feel right at home using XCAS.

Qalculate!

Task: Multi-Functional Calculator

Platforms: Linux

Qalculate is easily one of the best scientific calculators around. It stores every calculation you make so you can easily go back and find numbers you have crunched in the past. Qalculate also includes a wide range of scientific constants to easily perform calculations with. This is an application no science or mathematics major should be without.

LibreOffice Math

Task: Mathematics Document Creation

Platforms: Linux, OSX, Windows

In addition to providing a full office suite (Word processor, Spreadsheet, Presentation, and data base) LibreOffice also provides a fantastic mathematics writer. Excellent for creating worksheets and exams that look professional, LibreOffice Math is easy to learn and a great tool to have.

Xournal

Task: Digital Notebook

Platforms: Linux, Windows

Xournal + a cheap tablet computer + a projector = a fairly cost effective interactive white board. The main benefit to putting lecture notes down in a digital form is easily saving them for later. As a teacher writing notes on a tablet computer is beneficial due to the fact that you can face the class as you write instead of having your back turned.

Do you have an open source mathematics application you like to use that I did not list here? If so drop a comment below letting me know what it is so I can check it out!

~Jeff Hoogland

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