TafeldiplomaHD


4.3 ( 4593 ratings )
游戏 教育 교육 관련
开发 web-forge.eu
1.99 USD

the application offers multiplication challenges, one has to solve 30 in a row within a time limit of 1 minute to receive a certificate, delivered by email.
In The Netherlands, this is to prove that you can master multiplications in the range from 1 -9, typically for kids at the age of 7-10.