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Casio FX-115ES Scientific Calculator

CFX-9850GaPlus

posted by hklucas on Jan 04, 2008


When I do a simple decimal calulations (5.3- 4.5) and get the answer (0.8), I should be able to press the F-D key to convert to 4/5. It does not work,.

If I do a calulation that starts with a fraction, I can then convert the to a decimal....

Comment by hklucas, posted on Jan 04, 2008

I thought that as well until I did it on my 9750G PLUS....works fine.....any other suggestions...I check mode (comp), etc....I am at a loss and I have a classroom full of these calculators
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Best Solution
posted on Jan 04, 2008
Helpful (85)

sedonix


Rank:Guru Guru
Rating: 86%, 450 votes
I think the F-D function only works one direction from fraction to decimal. Decimal to fraction is a non trivial calculation that can have multiple answers so doesn't lend itself to a calculator feature.
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Solution #2
posted on Jul 11, 2008
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b_amado


Rank:Apprentice Apprentice
Rating: 0%, 0 votes
"Decimal to fraction is a non trivial calculation that can have multiple answers so doesn't lend itself to a calculator feature."
LOL i hope u are being ironic...

anyway the check list for f-d to work:
-mode comp (wich u allready have)
-display norm1 or norm2
in the LINK from main menu make sure Image set mode is OFF


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