**Graphing Aids:**

A graphing calculator is any handheld device that allows the user to input equations in “y=” form and will output an image of the graph for that input.

**CASs:**

Software run on a computer that allows the user to input equations and will provide a graphical image for that input.

**Fixed Window****:**

Plotting graphs using a pre-selected range of x and y values.

**Automatic Window:**

Plotting graphs using a pre-selected range of x values where the ranges of y values are calculated such that al points fit in the window.