Scientific calculators can perform all the functions of a basic calculator as well as execute far more complex mathematical functions and equations. The ability to solve polynomials and simultaneous ...
Pictured above is the HP-35, Hewlett-Packard’s first pocket calculator and the world’s first scientific pocket calculator. The HP-35 was available from 1972 to 1975, and retailed then for $395 (more ...
When a treasure of retrotechnology fails to work, the natural next step is to have a go at repairing it. [Adam Wilson] found himself in this position when he acquired a 1974 Sinclair Cambridge ...
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