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Mathematics 21 Online
OpenStudy (anonymous):

Im taking Pre-calculus and just learned Piecewise functions, is there an online grapher that I can use to check my homework with to see if I'm doing it right?

OpenStudy (anonymous):

* free online grapher preferably

OpenStudy (anonymous):

I thought you are a Human Calculator. ;) Anyways, I believe this is something you might be interested in: https://www.desmos.com/calculator

OpenStudy (anonymous):

Sometimes :D Heres the type of problem I need to double - check :) check|dw:1409178097311:dw|

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