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Jan
23
revised Solving systems of linear congruences with rational coefficients
Simplify
Jan
23
comment Solving systems of linear congruences with rational coefficients
@Ethan Thanks! Wow, that almost seems too easy. So multiplying both sides is a valid operation under congruence? This note from Wikipedia made me think not: "The next property, however, would fail if these variables were not all integers", which then demonstrates multiplication.
Jan
22
asked Solving systems of linear congruences with rational coefficients
Jan
22
awarded  Editor
Sep
20
comment What are imaginary numbers?
Excellent explanation! The first time I've seen the analogy of rotation was here, which also contains a really good, visual exploration of imaginary numbers: betterexplained.com/articles/…
Jul
7
awarded  Supporter