This function will print exactly the amount of digits requested
as well as signed zeroes when appropriate (e.g, -0.00).
num_print(x, digits = getOption("jtools-digits", 2), format = "f")The number(s) to print
Number of digits past the decimal to print
equal to "d" (for integers),
"f", "e", "E", "g", "G", "fg" (for reals). Default is "f"