If you have trouble remembering how to graph different mathematical functions, these simple figures with their dancing arms can help. At the very least, they'll make you think of math every time you dance to YMCA.
Who needs Texas Instruments? Not Matt Stack, creator of the Open SciCal. His homemade, 100% open source graphing calculator not only blows away the functionality of store-bought devices, but is the "ultimate status symbol among the nerdiest of the nerds."
HP released their latest graphic calculator, the 50g, last week and this thing is tech'd out to all hell. The can connect to this calculator via a variety of ways—infrared, USB, serial (you kidding me? Serial ports still exist?) and SD memory. According to Erica over at CNET News, this calculator can even calculate…