Play and learn simple math game. There are 2 modes.
1. Click Mode(Default): Turn off the microphone on the top right corner. Choose the right answer by clicking "Yes" or "No".
2. Voice Recognition Mode: Turn on the microphone on the top right corner. Just say "Yes" or "No" for answers. Make sure you are in a quiet place in speak mode.
You may also select only addition, "+", subtraction, "-" or both addition and subtraction "+/-".
You have about 2 seconds to answer. Lets play and have fun!