It’s out! Empire of the Sum is now available in the US, and to mark the occasion I’ve been posting about a few of my favourite calculators. I’m closing this series for now with perhaps the apotheosis of 1980s calculator design: the 1981 Casio QL-10 Calculighter.
It’s out! Empire of the Sum is now available in the US, and to mark the occasion I’m posting about a few of my favourite calculators. Today’s is the Hewlett-Packard HP-35, a scientific calculator that today looks quite unremarkable — and yet which, at the time, was revelatory.
It’s out! Empire of the Sum was published yesterday in the US, and to mark the occasion I’m posting about a few of my favourite calculators. Today we’re taking a look at the Canon Pocketronic, a machine with a decent claim to being the first ever pocket electronic calculator.
My new book, Empire of the Sum: The Rise and Reign of the Pocket Calculator, will be published in the US tomorrow (‼️), the 22nd of August, and to mark the occasion I thought I’d post about some of my favourite calculators. Today, we’re looking at a calculator used by a remarkable person indeed: the late Katherine Johnson, a “human computer” and mathematician at NASA’s laboratory in Langley, Virginia.
My new book, Empire of the Sum: The Rise and Reign of the Pocket Calculator, will be published in the US on Tuesday the 22nd of August, and to mark the occasion I thought I’d post about some of my favourite calculators. This time, we’re taking a look at the “math grenade”, as William Gibson calls it in his novel Pattern Recognition — the mechanical, cylindrical, pocketable Curta.