indexcourse

Activities

Polar coordinates - graphs on the TI-83

MODE

Radians are recommended.
FORMAT

AxesOff removes the x-axis and y-axis.

ZOOM - MEMORY - SetFactors

The factorsmust be equal.
WINDOW

_max may need changing to see all the curve.

Y=

Enter the equation.
ZOOM - ZDecimal

ZDecimal will ensure that circles look like circles.

ZOOM - Zoom Out

Zoom out to see the whole curve.
TRACE

Use TRACE to view coordinates.

MODE Radians are recommended.	FORMAT AxesOff removes the x-axis and y-axis.
ZOOM - MEMORY - SetFactors The factorsmust be equal.	WINDOW _max may need changing to see all the curve.
Y= Enter the equation.	ZOOM - ZDecimal ZDecimal will ensure that circles look like circles.
ZOOM - Zoom Out Zoom out to see the whole curve.	TRACE Use TRACE to view coordinates.