Getting input from a keyboard or reporting results on a printer constitute major steps in a program, so a flowchart has special symbols to indicate input and output. You can use a parallelogram as ...

By the mid-1950s, such efforts had generated a new drawing instrument, the flowcharting template, a plastic rectangle with the symbols needed to draw flow charts cut out of it. Resources Nathan ...

Object Details maker IBM Description This blue-green plastic template has twenty-six holes in the shape of flowcharting symbols, with an underlying grid of lines. Along the top is a scale of inches to ...