Calculator of the day: the Casio QL-10 Calculighter
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.
Calculators: a #patentedpodcast with Dallas Campbell
I had a lot of fun a few months back recording an interview with Dallas Campbell on the subject of book history for his podcast, Patented. At least someone else must have enjoyed it too, because Dallas invited me back for another episode, this time on digital calculators. Have a listen and let me know what you think!
Calculator of the day: the HP-35
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.
Empire of the Sum extracted in Lapham’s Quarterly
If you’d like to get a flavour of Empire of the Sum, check out this extract in Lapham’s Quarterly! It’s taken from the first chapter of the book, and, spoiler alert, it has nothing to do with the image (above) they’ve chosen to illustrate it — although Hollerith’s machines do make an appearance later in the book, and, coincidentally enough, I wrote about them a few years back in the context of the Monotype machine. Everything old is new again!