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An excellent book surveying the history of the philosophy of mathematics from the time of Plato to the nineteenth and early twentieth centuries.

A history of the concept of zero from as far back as the Babylonian period, with philosophical excursions into the meaning of "nothing".

NCTM Meeting in Philadelphia
Page 5 of Paul Halmos Photograph Collection: Paul Bateman, Felice Bateman, Edward Begle, Alexandra Bellow, William Johnson, Georgia Benkart, Lipman Bers
This is the title page of the geometry book of Jacob Kobel (1460 - 1533). The book dealt primarily with measurement, showing its readers how to use various instruments to measure fields, determine heights of buildings, and perform various other necessary tasks.
We sadly announce the untimely death of one of Convergence's editorial board members.
A man is walking across a bridge, when a boat passes under the bridge.How rapidly are the boat and the pedestrian separating after the boat passes under the bridge?
A man died leaving 3 sons, to whom he bequeathed his estate in the following manner: to the eldest he gave 184 dollars; to the second 155 dollars and to the third 96 dollars;
A certain bishop ordered that 12 loaves be divided among his clergy.
This a wonderfully written tour of aspects of classical geometry-- a must read for all geometry teachers.