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Jul
16
awarded  Nice Question
Jun
28
revised What is this R-like symbol power 2?
Photoshopped the image to make it easier to read
Jun
28
suggested approved edit on What is this R-like symbol power 2?
Jun
27
comment Choose K items from N in a circle
No problem, hopefully now it's a little easier to understand!
Jun
26
revised Choose K items from N in a circle
fix align* formatting
Jun
26
suggested approved edit on Choose K items from N in a circle
Jun
23
comment Use of “inverse” to mean reciprocal
Yes, I understood that the reciprocal is a type of inverse, but "inverse" seems overly general to specify a reciprocal relationship.
Jun
23
asked Use of “inverse” to mean reciprocal
Jun
22
comment Finding $\sin(4a)$ if we know $\cos a$
Please ask your second problem as an entirely new question instead of as an edit to this one.
Jun
21
comment Proving Stewart's theorem without trig
Thanks, your answer is definitely good enough for my purposes. Good night!
Jun
21
comment Proving Stewart's theorem without trig
Very nice, thanks!
Jun
21
accepted Proving Stewart's theorem without trig
Jun
21
asked Proving Stewart's theorem without trig
May
26
awarded  Nice Answer
May
15
comment Function $F$ that $F(x)+F(-x)=\lim_{y\rightarrow\infty}F(y), \forall x \in \mathbb{R}$
@Tim: Might want to change the title too.
May
10
comment Calculate intersection of 2 points
@J.M. I'm pretty sure Ross Millikan interpreted it right. You have two points and two slopes given as angles from the vertical ($\pi/2$) and want the intersection between the two lines thus determined.
May
4
revised How to accurately calculate the error function erf(x) with a computer?
fix broken link!
May
4
suggested approved edit on How to accurately calculate the error function erf(x) with a computer?
Apr
28
comment Why the name 'FACTORIAL'?
But that's true of other numbers (both smaller and larger) that aren't the factorial.
Apr
27
revised How to solve this recurrence relation? (convolution integral)
edited tags