Online Math Resources

Desmos is an amazing real-time graphing utility; as you enter the formula on the left, it is graphed on the right. It’s simple to get started, but you can use it for very sophisticated calculations and statistics.; Line of Best Fit graphs

National Council of Teachers of Mathematics; there is a huge and wonderful variety of resources here. This particular one allows a student to enter in a table of data, then calculate a line of best fit plus the regression constant “r.” Note, it’s only good for a linear set of data.