A castle has n rooms each of which has 7 samurai in it.

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A castle has n rooms each of which has 7 samurai in it.

A father left $20,000 to be divided among his four sons ages 6, 8, 10, and 12 years respectively so that each share placed at 4 1/2 compounded interest should amount to the same value when its possessor becomes the age 21.

A historically minded textbook designed to teach real analysis by considering some of the problems faced by 19th century mathematicians.

Here are all articles, classroom activities, and reviews arranged into annual volumes starting with 2004.

A farmer sold a team of horses for $440, but did not receive his pay for them until 1 yr, 8 mo after the sale. He had at the same time another offer of $410 for them. Did he gain or lose by the sale and by how much, money being worth 6%/yr?

A translation of one of the earliest European mathematical texts to use the Hindu-Arabic number system.

A survey of the mathematics education of cadets in the first century after the founding of the U.S. Military Academy.

A song for Pi Day.

A brief history of mathematics aimed at college students with little technical knowledge of mathematics.

In a circle whose circumference is 60 units, a chord is drawn forming a segment whose sagitta is 2 units. What is the length of the chord?