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.
This device does not need any introduction as every middle schooler knows its importance in our lives. The first electronic calculator was created in the 1960s, and the pocket size version became available in 1970s. From students to researchers to scientists, everyone carries a calculator these days and it would be hard to find a cell phone without a pre installed calculator app on it.