Math English Terms

English is a tough language. Native speakers have trouble getting good grades in it. This is meant to help smart #math people sound educated. It is not a complaint.

If you have y(x) and you want dy / dx you differentiate y(x). The result, dy / dx, is the derivative of y(x) with respect to x. Don't use the verb derive for this. The process of taking the derivative is called differentiation.

If you have a geometric figure and you want to obtain a formula for the area of the figure, you derive the formula. The steps in obtaining the formula is the derivation of the formula.

The name of the function used in sin(x) is the sine function, not the sinus function.

The singular and plural of series is the same. The singular is not serie.