. . "In total, there are thirty freelessons here, and they cover such topics as probability, symbolic logic,understanding percent, and number theory. [KMG][NOTE: Other pages from http://www.mathgoodies.com/ previously posted. - Phyllis ]-----New Philadelphia: A Multiracial Town on the Illinois Frontier [pdf]http://www.nps.gov/nr/twhp/wwwlps/lessons/130newphila/index.htmBorn into slavery, Frank McWorter" . .