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#11
I don't know. But the OP wanted to know if it is possible to run the W98 version, so here it is, with the Windows 7 version on the left and the W98 one on the right. Look closely at the icons on the top left (just before the word Calculator), and you will see that the ones from the right-hand images are the icons used in W98, whereas the ones on the left-hand images are those from Windows 7. And yes, the W98 calculator DOES work.
Standard View.
Scientific view.