Leo A. Aroian, The Probability Function of the Product of Two Normally Distributed Variables, The Annals of Mathematical Statistics, Vol. 18, No. 2 (Jun., 1947), pp. 265-271 ...

Educational Studies in Mathematics, Vol. 95, No. 2 (June 2017), pp. 181-202 (22 pages) Recent research suggests that children in elementary grades have some facility with variable and variable ...

A function links an input value to an output value. Functions are written in function notation with the name of the function (usually f or g), a variable written in brackets and an expression ...