The gold standard for graphing calculators, at least in the US, are the Texas Instruments TI-84 series. Some black sheep may have other types, but largely due to standardized testing these ...

The first really successful modern calculator came from an Alsatian inventor, Charles Xavier Thomas of Colmar in 1820. Its mathematical principle: multiplication is in essence addition ...

Of course no modern CPU is pin-compatible with a Soviet ... This is probably the first calculator CPU update we’ve seen, although we’ve featured other ancient calculators updated with new ...

Why it matters: Casio has introduced a modern version of its iconic calculator watch, itself based on the Casio Mini personal calculator first released in the early 70s. The new creation is a ...