The actual source for which this appears to be a mirrored copy is actually still online. http://rmf.vc/implementingvisicalc http://rmf.vc/implementingvisicalc

The actual source for which this appears to be a mirrored copy is actually still online. http://rmf.vc/implementingvisicalc http://rmf.vc/implementingvisicalc Besides containing additional information, it doesn't have scattered formatting errors throughout. OP's mirrored version seems to have fallen through a can opener. I'm unsure if it preserves anything significant however.