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Mathematics 9 Online
OpenStudy (dan815):

mathematics!

OpenStudy (dan815):

@ganeshie8

OpenStudy (compassionate):

Philosophy!

OpenStudy (dan815):

http://projecteuler.net/problem=15

OpenStudy (dan815):

man i was thinking of writing a code that just counts the numbers up!!! but i found this really cool looking solution!! so i thought of a person that i would appreciate this lol

OpenStudy (dan815):

THAT IS YOU GAENISHIEEee

OpenStudy (kainui):

There's actually a really super cool way of deriving these formulas, like all the numbers from 1 to n is n(n+1)/2 and there are ones for adding up all the squares, cubes, etc... as well that are fun.

OpenStudy (dan815):

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