exponential function, in mathematics, a relation of the form y = a^x, with the independent variable x ranging over the entire real number line as the exponent of a positive number a. Probably the most important of the exponential functions is y = e^x, sometimes written y = exp (x), in which e (2.7182818…)

An operation is complete when the student has demonstrated fluency in all the individual facts within the operation. When this is the case, the fluency matrix on their student report will be completely green, and the score will be 100. Fluency score: 100 (done with the operation!)

The original xtramath guy had a special place in everyone's hearts. But unfortunately, he has been replaced by an animated version. This new animated version has less of the joy and liveliness of the original. It is estimated that 6.5 Million students use XtraMath annually.

Folks on the internet are curious about how the "Xtramath Guy" is doing. He's previously been identified as Christopher Robert. He was the face of a series of memes related to a math education organization.