TI-83 Calculator Tips for MTH 131

What follows is a set of step-by-step keystroke guides for the things that you will most commonly need to do on your calculator in MTH 131.  If there is a process that you are having trouble with, and it does not appear in the list below, please e-mail me and I can try to add it to the list.

• Graphing a Function

                        Window settings

                Zoom

                        Tracing a graph

• Finding special points on a graph

                          A point with a specific x-value

                          The x- and y-intercepts

                          The maximum or minimum point

• Entering and plotting a data set

                          Inputting data

                          Scatterplots

• Finding a regression equation (equation of best fit)

                          Linear Regression

                          Exponential Regression

                          Quadratic Regression

• Solving

                          Equations

                          Systems of Equations

• Miscellaneous Tips and Tricks

                          Order of operations on the calculator

                          Take special care with fractions

                          Converting between fraction and decimal form

                          Taking the nth root of a number