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Is fx-991s really such a dull calculator?

Started by Preno , Feb 03 2004 08:54 PM

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#1 Preno

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Posted 03 February 2004 - 08:54 PM

Hello, just a quick & simple n00b question - does fx-991s have any "undocumented" or "hidden" functions? I know lots of calculators do and this is the only Casio I've got at home and it seems to be pretty dull (this-direction-wise). My other calculator is TI 57 which has rather lot of hidden functions.

(I expect the answer to be No but then, one never knows... <_< )

#2 Andy.Davies

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Posted 03 February 2004 - 10:05 PM

have you tryed the hidden menu? i dont know if it exists on that calc, but you could try:

1. Switch off calc
2. hold down [Ab/c] + <span class=F6' />
3. Tap [AC/on]

this gives you a menu, if you havent, back up your programs, because one or two of the functions can wipe your calc's program memory.

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Posted 04 February 2004 - 07:18 AM

I know about that one, but is there more like it for my 9850?

#4 CrimsonCasio

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Posted 04 February 2004 - 07:22 AM

not that i can think of, though the AFX has more, and so does the classpad... in reality the hidden menus (with the possible exception of the classpad) are no more than noveltys, they have no real purpose.

#5 Andy.Davies

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Posted 04 February 2004 - 10:52 AM

i think casio repair center engineers might have a use for them...

#6 Mohamed

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Posted 04 February 2004 - 01:31 PM

What are you both talking about? :blink:
Have anyone bothered to look on the fx-991s before answering? <span class=F6' /> key. :greengrin:

#7 Andy.Davies

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Posted 04 February 2004 - 02:49 PM

have you tryed the hidden menu? i dont know if it exists on that calc

hence why i said that

#8 PerCasioAdAstra

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Posted 04 February 2004 - 03:55 PM

Mohamed owned you all :P

#9 Preno

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Posted 05 February 2004 - 09:32 PM

Well, thanks a lobster! ;)

#10 Guest_Sergei Frolov_*

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Posted 05 November 2006 - 01:08 PM

I have the fx-991S but have not found any hidden functions.

#11 vanhoa

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Posted 06 November 2006 - 01:27 AM

How about 570 ES?

#12 vanhoa

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Posted 08 November 2006 - 03:21 AM

Can you show them?

#13 Guest_Sergei Frolov_*

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Posted 08 November 2006 - 05:33 AM

1. Hold <span class=7' /> <span class=Shift' /> while pressing [on]

2. Press <span class=Shift' /> several times for next hidden mode.

But I have still question about the fx-991s. :)

#14 vanhoa

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Posted 08 November 2006 - 11:56 AM

I dont have info about 991s but I known that hidden menu of es, I think there are more...

#15 Guest_Mr.M._*

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Posted 11 November 2006 - 11:38 AM

Can any of these calculators calculate i^4 or e^(i*Pi) ?

fx-991es sux when it comes to matrix and complex ... http://www.voidware....lcs/fx991es.htm

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Posted 09 January 2007 - 03:11 PM

Can any of these calculators calculate i^4 or e^(i*Pi) ?

fx-991es sux when it comes to matrix and complex ... http://www.voidware....lcs/fx991es.htm


No, it can't :(

#17 Guest_Guest_*

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Posted 09 January 2007 - 07:28 PM

hi,
does anybody have the hidden menu key combination of the fx-4500p?

#18 Guest_xy_*

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Posted 05 July 2009 - 12:39 PM

press MODE 4 times & you'll get to ENG 1 page, then press [0], [.] & MODE buttons simultaneously to open the hidden menu.
instead of showing you the standard Posted Image page, it'll show you 2 more menu "BASE-n 1 2 3", 1 for linear algebra solution, 2 for quadratic.
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