Double Data Type

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This page is specific to the Visual Basic for Applications (VBA) Language Reference for Office 2010.

Double (double-precision floating-point) variables are stored as IEEE 64-bit (8-byte) floating-point numbers ranging in value from -1.79769313486231E308 to -4.94065645841247E-324 for negative values and from 4.94065645841247E-324 to 1.79769313486232E308 for positive values. The type-declaration character for Double is the number sign (#).