Operation of two msp signals. what is happen?

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I want to know what happens when I compute two msp signals.
I am curious about the roles of the operators "% ~" and the operators "/ ~".

I think that the operator "* ~" is the role of Ring Modulation, and the operator "+ ~" is an operator that mixes two sounds.

So what happens to the operators "% ~" and "/ ~" calculations?

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