I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Learn how to eliminate the parameter in a parametric equation. A parametric equation is a set of equations that express a set of quantities as explicit functions of a number of independent variables, ...

I have a JavaScript Excel Add-in deployed in production, being used by a number of customers. The Add-in includes a custom function. I have added new optional parameters to the function but when I ...

The following code snippet will show the incorrect behaviour: after reformatting the code the second function will have an extra level of indentation. xyz(/** comment in same line: this will format ok ...