That's a little bit off from a trillion dollars,” Sen. Jack Reed said. The difference between $1 trillion and $15 billion is $985 billion.

The modern world is built on mathematics. Math lets us model complex systems such as the way air flows around an aircraft, ...

In line with prior research, boys reported a statistically significantly more positive math ability self-concept (d = 0.50), although boys and girls reached similar scores in a standardized math ...