A mouse is at the top of a poplar tree 60 braccia high, and a cat is on the ground at its foot. The mouse decends 1/2 a braccia a day and at night it turns back 1/6 of a braccia.

Individual problems from throughout mathematics history, as well as articles that include problem sets for students.

There is a round fish pond of certain dimensions, and into the pond is dropped a marble column. How high will the water rise?

Prove geometrically that the hypocycloid is a straight line when the radius of the rolling circle is one-half the radius of the fixed circle.

The third part of a necklace of pearls, broken in a lover's quarrel, fell to the ground...

If you are h feet tall and walk all the way around the Earth, keeping to the same circumference, how much farther has your head gone than your feet when you complete the journey?

The square root of half the number of bees in a swarm has flown out upon a jessamine bush; 8/9 of the swarm has remained behind.

Given the fraction ax/ (a-x ), convert it into an infinite series.

A two door gate of unknown width is opened so that a 2 inch gap exists between the two doors.

A man hired a horse in London at 3 pence a mile. He rode 94 miles due West to Bristol then due north to Chester, whence he returned toward London for 66 miles, which put him in Coventry.

A tree is 20 feet tall and has a circumference of 3 feet. There is a vine that winds seven equally spaced times around the tree and reaches the top. What is the length of the vine?