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Convergence articles

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There are two numbers which are to each other as 5 and 6 and the sum of their squares is 2196. What are the numbers?
A translation from the original Greek of a manuscript on magic squares by the Byzantine scholar Manuel Moschopoulos, written about 1315
Short sketches on how mathematicians work and think.
Page 4: Images of Jose Barria, Paul Halmos, Robert Bartle, Marshall Stone, Hyman Bass, and Joseph Bastian from the Halmos snapshot collection
A cat sitting on a wall 4 cubits high saw a rat prowling 8 cubits from the foot of the wall;
A man went to a draper and bought a length of cloth 35 braccia long to make a suit of clothes.
This is the title page of the 1599 edition of the Rechenbuch of Simon Jacob (d. 1564), a Rechenmeister of the sixteenth century. This was a commercial arithmetic text, in which the basic laws of arithmetic were applied to many practical problems.
The cost per hour of running a certain steamboat is proportional to the cube of its velocity in still water. At what speed should it be run to make a trip up stream against a four-mile current most economically?
X, Y and Z hired a pasture for the season for $90.00. Each has a different number of mules and are on the pasture for a different number of days. How much is each to pay?
A creative expression combining text, design and illustrations, originally designed for the International Congress of Mathematicians in Madrid.