I liked it a lot but now ads will pop up in the middle of games. They cover the entire screen. I get slow times because I end up clicking on ads and it's just annoying.
Needs updated Would not run on Android 6
Includes some actual math beyond preschool (unlike most math games) A definite step in the right direction toward more mathematical public awareness. Just one error to point out in "equations slider:" i squared is -1, not 1.
Great Great collection of math problems and puzzles. Very good brain trainer. All recomendations.
Great app! The puzzles are really interesting.
Some more puzzles and some corrections