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In a square box that contains 1000 marbles, how many will it take to reach across the bottom of the box in a straight row?
I owe a man the following notes: one of $800 due May 16; one of $660 due on July 1; one of $940 due Sept. 29. He wishes to exchange them for two notes of $1200 each and wants one to fall due June 1. When should the other be due?
A fellow said that when he counted his nuts by twos, threes, fours, fives and sixes, there was still one left over; but when he counted them by sevens they came out even. How many did he have?
The annual meeting of the NCTM contains numerous sessions dealing with the history of mathematics.
A sketch of the history of topology, beginning with the polyhedron formula, but continuing up to the present.
The first detailed biography of James Joseph Sylvester.
A brief version of the author's well-known history of mathematics text.

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

Having been given the lengths, a and b, of two straight lines drawn from the acute angles of a right triangle to the middle of the opposite sides, determine the lengths of those sides.

NCTM Meeting in Philadelphia