![]() I bought a Commodore scientific calculator while a freshman or sophomore at UC San Diego for $50 (see Vintage Technology Museum for an example) and a beautiful Sharp LCD scientific calculator (below) a year or two later for about $40 when the Commodore broke. My dad got the family a Sharp ELSI 8107 with basic operations when I was a senior in high school. I envied my friend's TI SR-50 scientific calculator which cost about $150 (about $800 in 2021 dollars). While I was in high school (1971-1975) the first pocket calculators came out. It did the difficult math we were doing almost instantaneously. ![]() ![]() I remember a man coming to my eighth grade math class in 1970 or 1971 and showing us a desktop electronic calculator costing hundreds of dollars. ![]() It contains over 140 calculators, starting with mechanical machines dating back to at least the 1920s to electronic pocket calculators beginning in 1970. ![]()
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