Character Maths

Performs a mathematical translation on the input characters. All operations are performed modulo 256.
The operations supported are:
+
-
*
div (the remainder is ignored)
mod (the remainder after division)
xor
and
or
not
shift left (0 inserted)
shift right (0 inserted)
rotate left
rotate right
The hex and binary equivalent of the operand is displayed next to the decimal value that can be edited.
Operand
The maximum operand value is 255.
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