Exercise for a "Numbers" concept

[vaeng]

I would like to have an exercise that enables the user to use doubles, ints and the most common math operations and the conversions.

I think the following topics should be covered:

• Ints
• Doubles
• Limits
• *, /. +, -, ceiling from cmath?

The related concept will cover how and why. The exercise can be taken from another track. I suggest the freelancer rates exercise, as it does not need knowledge of control structures

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