creating a new mainboard, and a firmware which transforms it into a reverse Polish, or RPN, scientific calculator. The Sharp EL210 and EL215 were ubiquitous early-1980s calculators without ...

The slide rule sword gave way to calculators hanging from your belt loop, and for many engineers that calculator was from HP. Today’s students are more likely to have a TI or Casio calculator ...

The calculator’s “C” button—the one that clears input—was gone. The “C” itself had been cleared. The “C” button’s function is vestigial. Back when calculators were commercialized, starting in the ...

Apple's Calculator app does more than help you calculate tips. With the latest OSes, it launches on iPad and lets you create ...

PETRONAS stepped forward to help a secondary school teacher realise her dream of providing her students with scientific ...