You can access your personal scores through the "My Profile" page This keeps score of quite a lot of tests you sit. It's a great way of watching your progress..
This is amazing software offering over 400 possible questions. The levels start at a very basic level progressing to advanced.
A lot of Subtraction King is based on a scoring system. Just look at the image above showing a basic subtraction test. You will notice on the right hand side the software is keeping score of the test.
You can see in the image below that if you get a question wron you will see a sad face. Getting 5 questions wrong will end the test, you will then be required to restart the level.
efl software is the most advanced PC educational learning software on the market
Subtraction scoring system will show how many you get right or wrong
For those people just starting out you may not want a timer. This software includes an option on some of the earlier levels to stop the timer giving you more time.