James Stewart’s calculus text books made him very rich. He spent his fortune on Integral House, an award-winning architectural marvel inspired by calculus, which is now on sale after he died last year ...

Most people cringe in horror at the mere mention of calculus, but one man loved it so much, he designed his Toronto dream house around it. And now the so-called “Integral House” — named after one of ...

Louis Leithold, who wrote one of the most widely used calculus textbooks and helped change the way the subject is taught, has died. He was 80. Leithold was found dead April 29 at his Los Angeles home ...