Several answers seem to think "*" isn't actually multiplication :-( . Follow the rules, folks!
see problem 242 for an example of how to disallow the use of specific characters (improving your testsuite is a better way to ask players to "follow the rules" of your problem in Cody)
Seems people can't read the rules. Trouble is that Cody's "test cases" can't test for existence of disallowed operators in the code.
Number of toolboxes?
Rotate a Matrix
Let's see how peculiar we can get
Kelvin to Celsius
Area of a circle
Min by mean
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