School days formula: C+D=LLL to infinity

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The use of an 8 on its side to represent the concept of infinity is credited to English clergyman and mathematician John Wallis, who served as chief cryptographer for Parliament and the royal court in the 17th century.

As a P.S. (pre- instead of post-script), Dear Readers, thanks to fans who responded to the Aug. 17 “Green Flash” about my two “uglies,” in particular, the ulu, breadfruit. Keith, Terri and Jim were all affirming, and other TGI readers met while out and about.