More commonly, you would change their values through assignment. A semicolon or a newline separates one statement from another. Curly braces are needed only when grouping multiple statements. Begin the definition of function j having a single argument k . Additional arguments are allowed, separated by commas.
Statements follow on successive lines.
Must appear first. Pass the value of expression expr back to the program. Used in function definitions. Compute the square root of expression expr . Math library functions These are available when bc is invoked with -l .