Input can be taken from files or read from the standard input. To exit, type quit or EOF . Make available functions from the math library.
Examples follow at end.
Identifiers An identifier is a single character, consisting of the lowercase letters a-z. Identifiers are used as names for variables, arrays, and functions. Within the same program you may name a variable, an array, and a function using the same letter. Call function x with parameters y and z . Input-output keywords ibase , obase , and scale store a value.