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I would like to use this forum (if this is allowed of course!) to show you my little android-app 'x=1: Learn to solve equations!'
and I am very happy to get feedback and critic from you.
Its completely free and without any adverticement - I just want to teach that math is fun when taught right.
You can download it directly from the Google Play Store: https://play.google.com/store/apps/details?id=com.dg.eqs
What is it about? (with a twinkle in one's eye)
Solving equations often causes difficulties, either in math class or later in life. At first glance they consist of cryptic characters, which are also subject to strict rules! It gets even worse: Every time we take a step to find the desired X - we have to note down the whole equation again!
But x=1 will save your day! Use it for fun, to learn or to refresh your knowledge - you can now try to find the hard to catch X without any paperwork at all! All you have to do is to connect two parts of the equation step by step - of course only if the mathematical principles allow it. Additionally, you are free to use the equal sign as you like, so you can move things from one side of the equation to the other.
In x=1 you'll be able to solve equations build with the basic arithmetic operations + -, *, /. To spice things up, the rules of bracketing are also included. 40 preset equations gradually teach you the mathematical principles - after that you'll be released into the huge world of equations to puzzle over an infinite number of randomly generated ones!
Mathematical regards
Daniel Gronau