Posts: 1,278
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It doesn't have anything comparable to the "fraction mode", but there are several ways to display numbers as fractions.
TW
Posts: 1,545
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Joined: Jul 2005
Go to www.hp.com/calculators
Select your country.
Select the HP50g to display the HP50g webpage.
On the right side of the screen, choose technical professionals under "training modules"
Select the PDF file labeled: "Working with fractions".
No mode, but very easy...no need for a mode, IMO.