4-byte Realとは 意味・読み方・使い方

解説

A variable stored as a IEEE 32-bit (4-byte) floating-point number. A 4-byte Real can range in value from -3.402823E38 to -1.401298E-45 for negative values, and from 1.401298E-45 to 3.402823E38 for positive values. The type-declaration character for a 4-byte Real is an exclamation point (!). Also referred to as a single-precision floating-point or a Single.