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Mar
24
revised Getting conflicting answers with the first derivative test…
improve formatting
Dec
29
revised Can we teach calculus without reals?
improve grammar
Dec
9
revised In a Calculator, Which Button Should be Bigger: $\sinh()$ or $\rm asin()$?
deleted 67 characters in body
Mar
28
revised Not quite Fermat's Last Theorem
improve grammar/formatting
Mar
27
revised Can a piece of A4 paper be folded so that it's thick enough to reach the moon?
improve title
Dec
10
revised $1/i=i$. I must be wrong but why?
double-dollar-signed the equations, making them bigger and more readable.
Dec
10
revised Prove that $\sin^2(A) - \sin^2(B) = \sin(A + B)\sin(A -B)$
removed double-dollar-signs from title (ick), questionified question.
Jan
2
revised In a Calculator, Which Button Should be Bigger: $\sinh()$ or $\rm asin()$?
deleted 7 characters in body