Although there are many functions in the base package of R, sometimes there may not be a function that does exactly what you want. In this case, R allows users to create their own functions and call ...

What Are Functions and Formulas? The key difference between formulas and functions is that anyone can create a formula, whereas functions are predefined by Microsoft's programmers.

(1) An Introduction to the Study of Geometry (2) Elementary Geometry (3) Geometry for Technical Students (4) Graphs and Imaginaries (5) Five-figure Tables of Mathematical Functions (6) Logarithms ...