How much does a social worker make? According to the May 2012 records from the Bureau of Labor Statistics, the mean annual healthcare social worker salary is $51,460, or $24.74 per hour. The lowest ten percent earn $31,410, while the top ten percent make an average of $74,030 annually.
The Leibniz Step Reckoner. Gottfried Leibnizâs 1673 âStep Reckonerâ introduced a design innovation that enabled a single gear to represent any digit from 0 to 9 in just one revolution. This stepped-drum approach dominated calculator design for the next two centuries. Gottfried Leibniz.
Narmer (Mernar) was a ruler of Ancient Egypt at the end of the Predynastic Period and the beginning of the Early Dynastic Period. He is often credited with uniting Egypt and becoming the first king of Upper and Lower Egypt.There is some direct evidence for this from near contemporary sources.he main deposit found in the temple of Nekhen (Hierakonpolis) by Quibell and Green included a statue of a Baboon with Namer's name on it as well as the famous Narmer macehead and Narmer Palette.