## ALP Programming Guide and Reference

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### Description

A decimal floating-point literal has a significand part that may be followed by an exponent part. The significand part consists of a digit sequence representing the whole-number part, followed by a period (.), followed by a digit sequence representing the fraction part. The exponent part consists of an introductory character (e or E), followed by an optional sign character (+ or -), followed by a digit sequence representing the exponent.