I use it regularly for nutrition (calorie counting) and comparing foods, e.g. 100g of salmon, 100g chocolate etc. http://www.wolframalpha.com/input/?i=100g+salm

I use it regularly for nutrition (calorie counting) and comparing foods, e.g. 100g of salmon, 100g chocolate etc. http://www.wolframalpha.com/input/?i=100g+salmon+100g+chocolate http://www.wolframalpha.com/input/?i=100g+salmon+100g+chocol..., or http://www.wolframalpha.com/input/?i=potassium+in+1+cubic+lightyear+of+bananas&x=0&y=0 http://www.wolframalpha.com/input/?i=potassium+in+1+cubic+li....