This abacus has an electronic calculator built in to it for some reason. lcamtuf :verified: :verified: :verified: (@lcamtuf@infosec.exchange) Attached: 1 image A slightly unhinged calculator fact: in the golden era of electronic calculators, some Japanese shopkeepers were reluctant to trust the newfangled tool, so Sharp made a line of combination calculator / abacus devices. Here's a photo, next to some other stuff I own.
