There was a brief period through the 1960s into the 1970s when the last word in electronics was the calculator. New models ...

Earlier this year, [Dan Maloney] went inside mechanical calculators. Being the practical sort, [Dan] jumped right into the Pascaline invented by Blaise Pascal. It couldn’t multiply or divide.

Here's how to use Excel as a calculator to perform basic arithmetic operations such as addition, subtraction, multiplication, ...