It brings an older, simpler, not nearly as interesting calculator "trick" to mind: 11111111 * 11111111. gnuplot> pr 11111111 * 11111111 -2047269199 :-). F

It brings an older, simpler, not nearly as interesting calculator "trick" to mind: 11111111 * 11111111. gnuplot> pr 11111111 * 11111111 -2047269199 :-). For the intended result, people can put a '.' after one of the numbers to make it a double, or use a better calculator like bc or Python.