Ocular is a spreadsheet written entirely in python. Cell contents are evaluated by python after any standard spreadsheet coordinates are parsed. This allows the full Monty from Python to be implemented in a visual environment.

Depending on, or perceived by, the eye; received by actual sight; personally seeing or having seen; as, ocular proof.

Of or pertaining to the eye; optic.

The eyepiece of an optical instrument, as of a telescope or microscope.