Education Technology

# Knowledge Base

## Solution 12152: Definition of Mode Settings on the TI-89 Family, TI-92 Plus and Voyage™ 200.

### What are the different modes and their meaning on the TI-89 Family, TI-92 Plus and Voyage 200?

Following are explanations of the Mode settings available on the TI-89 Family, TI-92 Plus, and Voyage 200:

Graph: Type of graphs to plot: FUNCTION, PARAMETRIC, POLAR, SEQUENCE, 3D or DIFF EQUATIONS.

Current Folder: Folder used to store and recall variables. Unless additional folders were created, only the MAIN folder is available.

Display Digits: Maximum number of digits (FLOAT) or fixed number of decimal places (FIX) displayed in a floating-point result. Regardless of the setting the total number of displayed digits in floating-point result cannot exceed 12.

Angle: Units in which angle values are interpreted and displayed: RADIAN, DEGREE or GRADIAN*  (* not available on the TI-92 family).

Exponential Format: Notation used to display complex results: NORMAL, SCIENTIFIC or ENGINEERING.

Complex Format: Format used to display complex results, if any: REAL (complex results are not displayed unless a complex entry is used, RECTANGULAR, or POLAR.

Vector Format: Format used to display 2- and 3-element vectors: RECTANGULAR, CYLINDRICAL or SPHERICAL.

Pretty Print: Turns the pretty print display feature OFF or ON.

Split Screen: Splits the screen into two parts and specifies how the parts are arranged: FULL (no split screen), TOP-BOTTOM or LEFT-RIGHT.

Split 1 App: Application will be in the top or left side of a split screen.

Split 2 App: Application will be in the bottom or right side of a split screen.

Number of Graphs: For a split screen, allows setting up both sides of the screen to display independent set of graphs.

Graph 2: It selects the type of graph in the Split 2 part of the screen, if the Number of Graphs=2.

Split Screen Ratio: Proportional sizes of the two parts of a split screen: 1:1, 1:2 or 2:1 (this mode is available on the TI-92 Plus and Voyage 200 only).

Exact/Approx: Calculates expressions and displays results in numeric form or in rational/symbolic form: AUTO, EXACT or APPROXIMATE.

Base: Allows to perform calculations by entering numbers in decimal (DEC), hexadecimal (HEX), or binary (BIN) form.

Unit System: Allows to select three systems of measurement to specify the default units for displayed results: SI (metric or MKS); Eng/US (feet, pound, etc.); or Custom.

Custom Units: Allows selecting Custom defaults. The mode is dimmed until Unit System, 3: CUSTOM is selected.

Language: Allows localizing the calculator into one of several languages, depending on which language Flash applications are installed.

Apps Desktop: Turns the Apps desktop ON or OFF.

Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information.