I have always promoted Multimedia materials in this blog particularly the free ones and I think this year, I am particularly very happy with the new additions in the repertoire of software. I have started using **GeoGebra for Android phones** which has been released recently. According to GeoGebra, iOS and Windows versions will follow soon.

I have also started using **Wolfram Alpha for iOS**, and although this is not free (it’s $2.99), I am very happy with it.

Aside from these tools, here are some of the multimedia software and apps and some tutorials about them.

**Year 2015 in Review – The Most Popular Multimedia Posts**

- Top 100 Tools for Learning for 2014
- Math Expressions and Graphs in Google Docs with g(Math)
- How to Create Math Expressions in Google Forms
- Scan and Solve with PhotoMath
- MIT Open Courseware: Free Math Videos and Learning Materials
- Revisiting Khan Academy After Four Years
- 3 Free Whiteboard Software for Mac Users
- Prepare for Math Contests with MATHCOUNTS Trainer App
- 10 Basic Computations You can Do with Wolfram Alpha
- Exploring Wolfram Alpha for iOS
- GeoGebra Graphing Calculator for Android now available

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