|its date of origin is the year of the [[Constitutional Convention]] that proposed the [[U.S. Constitution]]
|its date of origin is the year of the [[Constitutional Convention]] that proposed the [[U.S. Constitution]]
+
|-
+
|cooking the data
+
|1830
+
|[[Charles Babbage]] used it in his book, "Reflections on the Decline of Science in England".<ref>http://www.scientus.org/Church-Science-History.html</ref>