dooski@my-dejanews.com wrote in message <6p3ifp$vb5$1@nnrp1.dejanews.com>... >Is it possible to add memory to a ti85 by directly soddering a chip onto the >existing one? Or what about directly replacing it with another. This is >possible on HP calcs and I wondered if the same thing can be done to a TI. No, it's not possible because of the way the calc addresses memory.