Polar Graphing

CalcES supports multiple types of graphs, including Polar graphing. For example, you can graph a sine function in polar coordinates using the syntax Sin(t), where t is the angle.

Syntax

Entering expression with t variable will treat as polar function.

Example: 1-2Sin(t)

Settings

Remember change the angular unit to RAD
Enable "Polar coordinate" option in Settings to draw graphs on Polar coordinate

Set the polar start, stop and steps if needed. The default values is start=0, stop=2Pi, step=0.1

Features

Tangent

Enable Tangent and Trace options to display tangent of polar graph at a specific point

Variable tracing

Enable TraceVar option to display a slider, use this slider to change the value of the t variable

Polar graph of r(t)=1-2Sin(t), TraceVar option

Calculate value at a given point

Tap Calc button to show the calculation panel

Polar graph of r(t)=1-2Sin(t), Calc option

Enter the value of t in the t= field, and then tap Calculate to calculate graph properties.

CALC panel of polar graph r(t)=1-2Sin(t)

Table of values

Tap Table button to show the table panel, it displays the table of values.

The left column is t values, and the right colum is r(t) values

Table of values of polar graph r(t)=1-2Sin(t)

Other features

Multiple graphs

Using : to separate between graphs.

Example: 2-2Sin(t):3Cos(3t)

Enter 2-2Sin(t):3Cos(3t) to calculator screen

Tap GRAPH to draw graphs.

Updated Thu 7 Dec 2023