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.
Further reading [edit]. 1  Dauster, Bill. 2  Dove, Robert B. Conference Committees and Reports in Enactment of a Law. 3  Riddick, Floyd M., and Alan S. Frumin. 4  Johnson, Charles W. âFinal Actionâ in How Our Laws Are Made, United States House of Representatives, 108th Congress, 1st Session, 2003. 5  McCown, Ada C. The Congressional Conference Committee. 6  United