Carpathian Journal of Mathematics, Vol. 22, No. 1/2 (2006), pp. 21-31 (11 pages) In this paper, we introduce and study two new classes of functions by using the notions of semi-θ-open sets and ...

If you’re taking an algebra, geometry or calculus class, your instructor will likely require a graphing calculator for your course. A graphing calculator is an essential tool for visually ...

Practice how to recognise and determine the equation of a quadratic function from its graph ahead of your National 5 Maths exam with this interactive maths quiz. The equation of a a quadratic function ...

For novices, functions are one of the most intimidating features of OpenOffice.org's Calc. Newcomers quickly learn that functions are a main feature of spreadsheets, but there are almost four hundred, ...