MECHANICAL CALCULATOR
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United States of America Patent
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N/A
Issued Date -
Aug 26, 2010
app pub date -
Feb 22, 2009
filing date -
Feb 22, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A mechanical calculating apparatus for calculating an output based on a plurality of variables is provided. The apparatus includes a base member having a first plurality of indicia relating to potential values of the output and/or the variables, and a plurality of tabs independently movable with respect to the base member. The tabs have a second plurality of indicia relating to the potential values of the output and/or the variables, and the second indicia are alignable with the first indicia to indicate a value of the output based on the selected values of the variables.
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