SAN FRANCISCO – Ron Gordon would like you to take a moment or three to think about what an odd day Saturday is. Why? Because 7/9/11 is one of only six dates this century that features three ...

SAN FRANCISCO — Ron Gordon would like you to take a moment or three to think about what an odd day Saturday is. Why? Because 7/9/11 is one of only six dates this century that features three ...

Mathematics Magazine presents articles and notes on undergraduate mathematical topics in a lively expository style that appeals to students and faculty throughout the undergraduate years. The journal ...

A prime number is a number greater than one, a whole number whose only divisors—the only numbers that divide evenly into it—are itself and one. So three is a prime but six is not because two and three ...

A Mega Millions drawing turned up 66, 67, 68 and 69. Is that unusual? By Victor Mather A total of 70 balls went into a drum for a lottery drawing. Five were pulled out: 56, 66, 67, 68 and 69. Maybe ...