The TI-89 is a graphing calculator used in advanced mathematics classes and approved for use on examinations like the Scholastic Aptitude Test and various Advanced Placement tests. While its large ...

When two fractions have the same value, but have different denominators and numerators, they are called equivalent fractions. Equivalent means they are equal. They have the same value. This fraction ...

In order to graduate from high school, people usually spend about13 years (K-12) learning about math concepts. One of the things that math does is to give us a universal way to think about quantities.

Narrator: You might go to a foreign land and look around and think, oh dear, everything is so very different. Do I have anything in common with this place? Or the people? But give it a few minutes and ...

Fractions are enough to make you cry if you’re not a math whiz, but Microsoft Excel handles them very well. In fourth-grade math, you learned fraction basics: Fractions are a numerical representation ...

Q. Thanks for your advice in the September 2001 issue on converting fractions in Excel into decimal values. But how about those of us who need to do the reverse—that is, convert decimal values into ...

In order to graduate from high school, people usually spend about13 years (K-12) learning about math concepts. One of the things that math does is to give us a universal way to think about quantities.