Casio CFX 9850G Easter Egg - Casio Debugging Window

1. Turn the calculator off
2. Press and hold the A b/c button, the F6 button, and the On button. This will bring up the de-bugging window for the calculator

User Rating:
7.1
  7.1/10 with 200 votes
Contributed By: Anonymous on 01-01-2000
Reviewed By: Webmaster
Special Requirements: a casio cfx-9850G graphing calculator
Please correct this Egg if you see errors.

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Comments

altgrr writes:
Don't test the RAM if you want to keep the calculator's memory! It wipes it. ROM test is OK, all the others seem alright, but don't test the RAM if you have important stuff you haven't backed up.
30 of 34 people found this comment helpful. Did you? Yes No
symetrix writes:
This also works on my Casio CFX-9800G.
16 of 19 people found this comment helpful. Did you? Yes No
vibe99 writes:
In order to return the calculator to the normal operating state you must 1. Press 0 (zero) in order to get the rest menu. Then choose no to get to the memory options screen and finally, you press menu.
10 of 11 people found this comment helpful. Did you? Yes No
Bob writes:
Works also on fx-9750G
8 of 9 people found this comment helpful. Did you? Yes No
JohnnyG writes:
Or you can select option ZERO and select no!
4 of 4 people found this comment helpful. Did you? Yes No
gLorTzP writes:
You forgot to mention some options reset the calculator!! I lost a game I had spent weeks on :( Otherwise, a 'handy' thing to know ;) P.S. anyone know how to write asm for this thing? Basic slow :(
5 of 7 people found this comment helpful. Did you? Yes No
thi writes:
This also works with an "Algebra FX 2.0"!
5 of 7 people found this comment helpful. Did you? Yes No
JohnnyG writes:
if you want to exit the menu without resetting, pull a battery out of the back, whilst the debugging menu is on. the calculator will go off, and not come back on. NEXT press the reset button on back, and when it asks you if u are sure, press no! DO THIS AT YOUR OWN RISK. IT DIDN'T DAMAGE MY CALCULATOR.
6 of 10 people found this comment helpful. Did you? Yes No
techfury90 writes:
This does work on the FX-7400G, but I did it differently. What i did was I opened the battery door, flip the switch in there so it will come on, turn the calc on. Now remove the little black sticker in the top left of the battery door. At the top of whats exposed, there will be two little test points there at the top side by side. Short those two together, and it will go into a test mode.
2 of 2 people found this comment helpful. Did you? Yes No
Ron writes:
This also works for the fx-9750GA PLUS
2 of 2 people found this comment helpful. Did you? Yes No
Alex writes:
A variation on this also works with the cut-down monochrome Casio fx-7400G - press ab/c with the green ">" next to the function keys, with AC/ON and you enter a debugging mode, which seems quite impossible to get out of without fully resetting the calculator...
2 of 3 people found this comment helpful. Did you? Yes No
jupiter1716 writes:
alors works for graph 35+ and 65+
1 of 2 people found this comment helpful. Did you? Yes No


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