App Creator - Create a simple web app by typing in the equation for a one variable equation. Such as "(Variable + 3)/5". Click on Save Equation to save the equation and the variable values. Click on Retrieve Equation to retrieve the equation and variable. Previously saved equations will automatically appear whent the page is loaded again. Javascript has many Math functions. For example, Math.pow(Variable, 3) will return the variable to the power of 3. More Javascript Math Tasks. Home Create an app with two variables : App Creator 2