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 ...

Said breakthrough involves finding a pattern in prime numbers, so get your calculators ready! Solving this will hold the key ...

The computer doesn’t even need to be a gaming-specific machine as the latest batch of retro hardware they’ve added support for is a number of calculators from the 90s and early 00s including a ...

The calculator assumes a single, fixed, interest rate which stays the same over the term of the mortgage and interest is charged monthly. Why is my monthly payment estimate different to what I ...

I worry that the calculator we’ve known and loved is not long for this Earth. This month, when I upgraded my iPhone to the ...