Algebra Touch funktioniert nicht

Hands on, super visual, algebra activities to give you a fresh perspective on math. "I'm 48.  Algebra Touch is a supplemental learning aid that gives you the power to play with algebra directly... and we make it impossible to make mistakes. Poke around freely.  Simplification, Like Terms, Commutativity, Order of Operations, Factorization, Prime Numbers, Elimination, Isolation, Variables, One step Equations, Two step equations.  The visual and kinesthetic approach to "moving math" is so powerful! * Randomly generated practice problems - as many as you could want!  I've wanted to learn Algebra my whole life.  I am a professional math and physics instructor for middle schoolers thru college students and adults.  Algebra Touch is highly visual and interactive, so the best way to see what it's about is to try it.  I really wish this app existed when I was studying algebra 25 years ago". - geekswithjuniors.  Well then, time to update your internal model of understanding and try again. That's how people learn. “Seriously awesome app.  "With this app, the author has successfully made algebra beautiful.  Tried all kinds of books, to no avail. Your app works for me. I'm so excited.  A whole new world opens up".  Have used your app with a number of my students .... And it was like magic.  Did it react how you thought it would? No?  Over 1 million downloads worldwide!  Variables on both sides of the Equation, Distribution, Factoring Out, Exponent Product Rule, Exponent Quotient Rule, and Logarithms.