A charming article. A Texas Instruments calculator (scientific, non-programmable) was practically my best friend at school in the 1980s, though I don't even kno

A charming article. A Texas Instruments calculator (scientific, non-programmable) was practically my best friend at school in the 1980s, though I don't even know what model it was now. I'm not sure how to find out, as it seems that most model numbers were reused in a long series of different cases. I've always associated American brands with terrible ergonomics, but TI calculators had unusually pleasing buttons and layout. [Edit: Ah, uh, OK -- a few more minutes searching and I find "This calculator was developed and produced in Japan... A big advantage of the Toshiba design was the smooth and flawless keyboard." This is definitely the one, a TI-30SLR mkII: http://datamath.org/Sci/Modern/TI-30SLR_2.htm http://datamath.org/Sci/Modern/TI-30SLR_2.htm. Oh well. But it was much nicer to use than Casios of the time and the pleasant form carried over to the Galaxy series.]