With MATHE-STAR, children learn adding, subtracting, multiplying and dividing step by step.Different levels of difficulty promote frustration-free training. More than 100 reward pictures ensure long-term motivation!Easiest operation and immediate feedback: If the answer is wrong, the correct result is immediately displayed in green.This is how math is fun:MATHE-STAR is the perfect app for children aged 5 to 9.