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In this article which won the 2005 prize of HOMSIGMAA, the author discusses Eratosthenes' argument to determine the size of the earth as well as possibilities for the size which Eratosthenes found (in modern measures).
A merchant gave a university 2,814 ducats on the understanding that he was to be paid back 618 ducats per year for 9 years, at the end of which the 2,814 ducats should be considered as paid.
Portraits of 92 living mathematicians, with autobiographical comments.
A man went to a draper and bought a length of cloth 35 braccia long to make a suit of clothes.
There is a lion in a well whose depth is 50 palms. He climbs and slips back a certain amount each day. In how many days will he get out of the well?
Two excellent volumes on Euler in honor of his three hundredth birthday

This book demonstrates the relationship between the mathematics in some recently discovered Babylonian tablets and some standard problems from Egyptian mathematics.

A rifle ball is fired through a three-inch plank, the resistance of which causes an unknown constant retardation of its velocity.
Given a number, take 1/3 of the number away from itself and add 2. If this result is multiplied by itself, it equals the number plus 24. What is the number?
The three sides of a triangular piece of land, taken in order, measure 15, 10, and 13 chains respectively.

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