It looks like we missed the boat on this one but just in case you missed it everywhere else on the Internet, last Saturday [Matt Stack] introduced the world to a completely open source calculator.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? For years, the $100 graphing calculator has been a mainstay of high schools and SAT ...

A home-brewed graphing calculator called Open SciCal promises to put a powerful machine built entirely from open-source hardware into the pockets of quant jocks and statisticians. "This is for the ...