32.2.5.2 When defining constants as operands

Real constant

Use this when associating values with Real variables.

Input Format 0r (zero and lowercase "r").

For example, 0r0.11

Float constant

Use this when associating values with Float variables.

Input Format 0f (zero and lowercase "f").

For example, 0f0.11

Constant HEX Input

Use this when entering hexadecimal values in an integer variable.

Input Format 0x (zero and lowercase "x").

For example, 0xFE