How can $ i $ be distinguished from $ - i $?
104441
Difference between i and -i
122166
Significance of $i$ in the Schrödinger equation
106768
Recognizing that a function has no elementary antiderivative
124646
Understanding the ideal $IJ$ in $R$
5526
Prove that $ℤ[i]^*= \{1,-1,i,-i\}$
5567
What is the difference between ++i and i++?
24391
$\arcsin$ written as $\sin^{-1}(x)$
145397
How to prove that for every $i$, $a_i = i$
96328
Proving $e^{i\pi} = -1$ without proving $e^{ix} = \cos x + i\sin x$
147920
Infinite powering by $i$
27482
How to show $-\sup(-A)=\inf(A)$?
130253
Differentiating $\mbox{tr} (ABA^TC)$ w.r.t. $A$
27360
How to differentiate formally?
124209
How is $\ln(-1) = i\pi$?
129334
Where does $\in$ come from and where is it defined?
73687
Powers of $i$ in Complex Numbers.
62772
Why drop the “i” in “explanation”?