For E-Format output conversion, an arithmetic or string value from a PUT statement's list is converted to a floating-point decimal value and placed, right-justified, in a field of w blanks.
The result field contains a minus sign if the value is negative, followed by the most significant digit of the mantissa, followed by a decimal point, followed by d digits of the mantissa (if d is omitted, it is taken to be p-1), followed by the letter E, followed by the sign of the exponent, followed by n exponent digits, where n is an implementation defined constant. For the maximum precision allowed by Open PL/I, see your Open PL/I User's Guide.
If the value and its sign cannot fit in w characters, the ERROR condition is signaled.
The following results are produced by both forms of the E-format.
The last two examples assume that the precision of the value to be converted is 7, giving a default value of 6 for d.
0.000000 E+000