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There is a round fish pond of certain dimensions, and into the pond is dropped a marble column. How high will the water rise?
A certain man says that he can weigh any amount from 1 to 40 pounds using only 4 weights. What size must they be?
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.
This is a collection of plates that Leonardo da Vinci created to illustrate De divina proportione of Luca Pacioli.
A woodcutter starts to fell a tree 4 feet in diameter, and cuts half way through. One face of the cut is horizontal, and the other face is inclined to the horizontal at an angle of 45 degrees. Find the volume of the wood cut out.
Now there are three sisters who leave home together.
How Servois' failed attempt to construct a foundation for the calculus nonetheless helped shape modern mathematics
This is the title page to the English version of Isaac Barrow's Geometrical Lectures, which were originally given in his position as Lucasian Professor of Mathematics at Cambridge University. These lectures contain one of the earliest statements and proofs of what is today known as the fundamental theorem of calculus.
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?
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