2,044 reputation
1230
bio website benalpert.com
location Mountain View, CA
age
visits member for 4 years, 3 months
seen Oct 1 at 21:11

I'm a software developer originally from Boulder, CO, currently working at Khan Academy in Mountain View, CA. In my spare time, I contribute to React, make music, and cook.


May
13
suggested suggested edit on Showing $\sum _{k=1} 1/k^2 = \pi^2/6$
May
13
revised Probability of Heads in a coin
reword a little bit
May
13
suggested suggested edit on Probability of Heads in a coin
May
13
answered Probability of Heads in a coin
Dec
23
awarded  Taxonomist
Nov
16
awarded  Enlightened
Nov
16
awarded  Nice Answer
Sep
19
comment Mandelbrot-like sets for functions other than $f(z)=z^2+c$?
@Isaac: Many of your pictures seem to be missing now…
Jul
21
awarded  Yearling
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 suggested 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 suggested 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!