lolcat: Miscellaneous Useful Functions

#' Constant - pi - Archimedes' Constant
#' 
#' The ratio of the circumference and diameter of a circle.
#' This formulation of pi is based on the formulation used by NASA/JPL. 
#' It provides more digits of resolution than R's built-in version (6 digits after decimal point vs 15 digits).
#'
#' @examples
#' # options(digits=22)
#' # pi #Default R version
#' ##[1] 3.141593
#' # constants.pi #NASA/JPL Version
#' ##[1] 3.1415926535897931
#' 
#' @references
#' NASA/JPL Edu. How Many Decimals of Pi Do We Really Need?. March 16, 2016. Accessed March 15, 2022. https://www.jpl.nasa.gov/edu/news/2016/3/16/how-many-decimals-of-pi-do-we-really-need/
constants.pi <- 3.141592653589793