The ridiculously expensive Texas Instruments graphing calculator is slowly but surely getting phased out. The times they are a-changin’ for the better, but I’m feeling nostalgic. I have some wonderful memories associated with my TIs.
The ridiculously expensive Texas Instruments graphing calculator is slowly but surely getting phased out. The times they are a-changin’ for the better, but I’m feeling nostalgic. I have some wonderful memories associated with my TIs.