User:Jwinters/Sandbox

$i^n=\{\begin{array}{ll}i,& \text{if }nmod4=1\\ -1,& \text{if }nmod4=2\\ -i,& \text{if }nmod4=3\\ 1,& \text{if }nmod4=0\\ \end{array}$

$i^n=\{\begin{array}{ll}i,& \text{if the remainder of }n/4=1\\ -1,& \text{if the remainder of }n/4=2\\ -i,& \text{if the remainder of }n/4=3\\ 1,& \text{if the remainder of }n/4=0\\ \end{array}$