Ready for change?

Edit a choice card

for the subject:

Describe the oscillators and basic wave forms -- sine, triangle, square, and sawtooth.

What is the question?Why do we call the basic oscillators by "circle, triangle, square, rectangle, sawtooth"?
This field allows Markdown format.

OK	Value	Feedback
	The oscillators were named after their inventors.	I've not heard of a ... Mr. Sawtooth ... before.
	The oscillators sound like these shapes.	What does a shape sound like?
	There is no correlation, these are just names.	There is a common reason for the naming.
	The oscillators visually look like these shapes.	Good work.

The value and feedback here allows Markdown.

Advice: We recommend joining before you edit content,
so you can easily continue later!