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