what are the diferences b/w sub-script and index?

Answer Posted / sumankumar

SUB-SCRIPT IS NOTHING BUT NUMBER ITS CAN DEFINE IN PERFORM
AND IT CAN BE INCREMENTED BY ARITHMETIC OPERATION, AND IT
CAN BE DISPLAY DIRECTLY

INDEX IS NOTHING BUT DISPLAY POSITION OFF ARRY COMAND AND IT
INCREMENTED BY SET VERB AND IT CANNOT DIRECTLY DISPLAYED

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