Texas Instrument's TI-84 makes quick work of graphs and equations like nobody's business, but it's done so for years while clinging to an outdated black and white screen. Now, however, it looks like that'll change for at least one flavor of the souped-up digital abacus. Cemetech forum user 0rac343 posted a photo of a TI-84+ C Silver Edition, claiming that it was one of 24 provided by TI for in-classroom testing and that it's slated to launch next spring. Tech Powered Math reports that a contact who's worked with Texas Instruments has confirmed that the