# Calculator is stuck in Binary mode

The calculator will turn on and off and will perform all the basic arithmetic functions (+,-,x,/) but only with 1 and 0 with the resulting answers in binary format. Nothing works to get the calculator out of binary mode. The mode switch does nothing. I only have on off, 1,0, and the arithemtic function keys that work. How do I rstore the normal function of the calculator?

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### Anonymous

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Try this. Press MODE and then number 1 ... This worked to me. And then with DRG you can change to DEG, RAD or GRAD ... I hope I helped :)

Posted on Dec 13, 2007

• daniel Apr 27, 2014

Thank you Very Much :)

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### Anonymous

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I had the same problem myself and tried to follow the instruction posted by -ky- but did't work many times. The reason is the instruction is missing one more step after pressing mode and 1. Finally, after trying so many times (I know back in my mind that, somehow -ky- is on the right track), the complete solution is: press MODE (hold) and then 1, then let go both and then, press 1 again, right after you let go MODE and 1. I can guarantee that this will work because it worked for me. Now I can keep on changing mode from binary to decimal and vice versa, by following the instruction above. Example, if I am now in decimal (RAD or GRAD or DEG), to change to binary, I simply press MODE (hold) 2 (let go) 2. To change back to decimal, press MODE (hold) 1 (let go) 1. Viola, you are back in decimal. Good luck.

Posted on Mar 18, 2009

### Anonymous

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This always gets me on the 20S, because you would think using the "SCI" or "ENG" buttons would work. You first have to set it to "DEC" if you're stuck in HEX. On my calculator it's the blue mode shift key (blue left pointing arrow) then 5 (DEC). From there you can change to scientific notation, or whatever.

Posted on Jun 07, 2012

### Anonymous

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To convert the calculator from "dec" mode to " Bin","oct","hex" or the ob set
by press "DRG" then number "2" or "3"or "4"

Posted on Jul 06, 2009

### Anonymous

This worked for me, even on the f602

Posted on May 01, 2008

### Anonymous

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0001 0001/1101 1101

Posted on Feb 19, 2009

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