Press .

To change a setting, use the cursor to highlight the desired option and press .

**Graph** indicates the type of graph.

**Current Folder** specifies the folder.

**Display Digits** indicates the number of digits and format.

**Angle** sets the calculator to interpret angles in radians or degrees.

**Exponential Format** specifies normal, scientific, or engineering notation.

**Complex Format** specifies real, rectangular, or polar display of complex
results.

**Vector Format** specifies whether vectors are displayed in rectangular,
cylindrical, or spherical form.

**Pretty Print** sets the calculator to display mathematical results in a linear or
mathematical format.

**Split Screen** designates the whole or split screen format.

**Split 1 App** specifies the application for the screen.

**Split 2 App** specifies the application for the screen.

**Number of Graphs** indicates which parts of a split screen displays graphs.

**Graph 2** specifies the type of graph for the second graph.

**Split Screen Ratio** sets the size ratio for the split screen.

**Exact/Approx** specifies how rational expressions are calculated.

**Base** changes the base from decimal to hexadecimal or binary.

**Unit System** changes from dollars to foreign currency.