In the United States, milk products have to be listed as a potential allergy warning if the food contains them. Most manufacturers will individually include whey in the ingredient list as well, particularly if the product is not strictly considered a dairy product.
1960's Sowing the seeds of the calculator revolution. Early 1960's -- Mechanical calculators, slide rules, or paper and pencil are the world's main methods of calculation. As was true in the 1940's and 1950's, early 1960's calculators are complicated motor-assisted mechanical adding machines with no other electronic parts.
The answer to this question depends on your definition of a computer. The earliest computers were mechanical devices used to help people count. The first known counting devices or tools were Tally Sticks from about 35,000 BCE.The abacus was invented, possibly by the Babylonians or the Chinese in about 2400 BCE.   The first of the modern computers was invented during World War II, in 1941 by a German engineer named Konrad Zuse. The computer was called the Z3 and was used to help design German airplanes and missles.