music Japanese railway melodies played on pocket calculators David Pescovitz

calculators Do you have enough toilet paper? Mark Frauenfelder

Disney 'Pirates of Caribbean' theme song on a calculator Xeni Jardin

music Making chiptunes with a calculator Lux Sparks-Pescovitz

Technology Incredibly fast calculator fingers in Japan David Pescovitz

Gadgets The era of schoolchildren being forced to buy crappy $100 calculators is nearing its end Rob Beschizza

late stage capitalism Older Americans are working beyond retirement age at levels not seen since 1962 Cory Doctorow

happy mutants Mechanical calculators have the BEST divide-by-zero errors Cory Doctorow

happy mutants Photographing computers to show the art inside the black box Cory Doctorow

television Props from The Office up for auction David Pescovitz

Gadgets Calcu-pen (1975) Rob Beschizza

Gadgets The fabulous illustrated history of the pocket calculator Cory Doctorow

video Watch how 19th-century Genaille-Lucas calculating rulers work Andrea James

music Despacito performed on two musical calculators Rob Beschizza

cool stuff Six cool picks from the Recomendo newsletter Mark Frauenfelder

old white people US congressman Steve King thinks white people are the most awesome "subgroup" Mark Frauenfelder

makers New Zealand's lost colossus: all-mechanical racetrack oddsmaking computer Cory Doctorow

Technology Why students are forced to buy this expensive and obsolete Texas Instruments calculator David Pescovitz

How to play Tetris on most Canon calculators Xeni Jardin