somu,

If by "difference" you mean the mathematical variety, then the difference
between A1 and A2 is simply

=A1-A2

or

=ABS(A1-A2)

HTH,
Bernie
MS Excel MVP

"somu Arunachalam" wrote in message
...
my doubt is too basic I was using excel function in the
function I did not get a function two find the difference
between two cells can any one suggest me how to find the
difference between two cells