I am a fan of free apps and I have promoted a lot of them in this blog, but there are times that I also purchase premium apps. For the past few days, I have been exploring Wolfram Alpha for iOS which can be purchased in iTunes for $2.99. For those who have not heard about it yet, it […]

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# Web 2.0 Technology

## Prepare for Math Contests with MATHCOUNTS Trainer App

For math contest enthusiasts, if you are preparing for MATHCOUNTS or other middle school and high school math contests, then the MATHCOUNTS Trainer App is a good app that you can try. The app contains thousand of problems from previous School, Chapters, and National Mathcounts. Note that all problems in this app have full solutions. For […]

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## Scan and Solve with PhotoMath

PhotoMath is a new app which allows users to scan a math expressions or equations using a phone camera in real time and solve them. As of this writing, the supported expressions/equations are the arithmetic operations (+, -, ×,÷), fractions, decimals, powers and roots, linear equations, powers and roots, quadratic equations, simple systems of linear equations. It […]

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