The Significant Digits Drill software consists of a set of tutorials and drills. The tutorials use step by step examples, interactive simulations, and games to cover the basic concepts of:

* what is a significant digit
* how to find the number of significant digits in a given number
* how to use significant digits in addition & subtraction
* how to use significant digits in multiplication & division
* how to use significant digits in reading instruments

There are four drills that test the students understanding of the four how to concepts listed above. Each drill consists of either 25 questions. Students are shown the correct answer after answering incorrectly and which digits are significant when finding the significant digits in a given number.