What does a larger-than-life T1-30 calculator symbolize in a graveyard? CALCULATOR GRAVE MARKER: That really is a larger-than-life replica of a Texas Instruments T1-30 calculator at the top of this post. Your eyes are not playing tricks on you! So, what exactly does this unique cemetery headstone represent? Is it symbolic of a human adding and subtracting all their good deeds from their bad? Or, perhaps, did an eccentric mathematician bury his or her favorite calculator there upon its demise? I didn’t get close enough to photograph the calculator display because, sadly, I was actually attending a funeral when I…