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rlwhitcomb / utilities

Some of my personal utility programs
MIT License
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Add Euler's "totient" function to Calc #680

Open rlwhitcomb opened 2 weeks ago

rlwhitcomb commented 2 weeks ago

Reference here: https://en.wikipedia.org/wiki/Euler%27s_totient_function

Relatively easy to calculate once you have the prime factorization ("pfactors").

I'd like to use the phi symbol for it, but that is already in use as the golden ratio...