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.
Reckoner may refer to: 1  Reckoner (Tiberium Wars) - For the unit used during the Third Tiberium War. 2  Reckoner (Tiberian Twilight) - For the unit used during the Ascension Conflict. 3  Reckoner (Tiberium) - For the unit that was supposed to appear in the cancelled game.  Reckoner (Tiberium Alliances) - For the unit used in the F2P MMORTS.