QBasic 4.5 Variable Ranges?

It's been probably fifteen years since I played with QuickBasic, but I recently found my old copy of QuickBasic 4.5, and I decided I'd take a break from my C++ stuff for a week and work onan old 3D engine I had written in QB4.5 years ago. My problem, is that I cannot remember the value ranges for the various data types. I know that an INTEGER type goes from -32768 to 32767, but what about LONG, SINGLE, and DOUBLE?

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