QOMO Flow!Works 3.0 - Manual (Page 92)

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By selecting the functional image you can also set the image color and whether to display the
axis in the "Attribution Browser.”
Image color and coordinate axis hidden adjustment
Tip: Functional expression in multiplication relationship must use "*", or it cannot correctly
display the functional image.
Polar equation
Example 2: Draw polar equation: ρ = cos (2θ) + sin (2θ) functional image.
Step one: Add "polar equation" objects. Click the "coordinate system: polar equation" in
"function" button, and then add it to the edit page on the white board. The system default
functional expression is "r = x.”.
The system default polar functional image
Step two: Correctly input the functional expression. Select the added default functional image,
and find the "appearance" option on the left side of the "Attribution Browser.” Then input the
functional expression "cos (2 * x) + sin (2 * x).”
Draw polar functional image