Depends on how far in basic arithmetic they get. But, if symbolic manipulation is done by hand and then numbers just plopped in to get final result and estimat

Depends on how far in basic arithmetic they get. But, if symbolic manipulation is done by hand and then numbers just plopped in to get final result and estimation if answer is realistic enough. Well I think that is fair enough. And spreadsheets are also useful when you need to add up bunch of things or multiply them.