Comment: The calculator is useful, however

(See in situ)

The calculator is useful, however

it ignores meat. Dried, canned, and salt cured meat, to include wild game, historically made up a lot of protein and calories for families in rural America. Of course, long term storage isn't necessary for some game (i.e., squirrels and rabbits) as you eat the entire animal at a single setting. Just some food for thought.

Magna est veritas, et prevalebit. Truth is most powerful, and will ultimately prevail.