Enter approximate numeric data as a mantissa followed by an optional exponent:

The mantissa is a signed or unsigned number, with or without a decimal point. The column’s binary precision determines the maximum number of binary digits allowed in the mantissa.

The exponent, which begins with the character “e” or “E,” must be a whole number.

The value represented by the entry is the following product:

mantissa * 10EXPONENT

For example, 2.4E3 represents the value 2.4 times 10^{3},
or 2400.