Determine the different values of x, when a certain function hits a minimum.

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

Determine the different values of x, when a certain function hits a minimum.

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?

Given a door and a measuring rod of unknown dimensions, the rod is used to measure the door.

Given a right triangle where you know the length of the base and the sum of the perpendicular side and the hypotenuse.

The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.

If 40 oranges are worth 60 apples, and 75 apples are worth 7 dozen peaches, and 100 peaches are worth 1 box of grapes and three boxes of grapes are worth 40 pounds of pecans, how many peaches can be bought for 100 oranges?

There is a circle from within which a square is cut, the remaining portion having an area of 47.6255 square units.

One hundred men besieged in a castle, have sufficient food to allow each one bread to the weight of 14 lot a day for ten months.

How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students

A merchant woman buys and sells apples and pears for Denaros. How much did she invest in apples; how much in pears?