Question about Casio FX-115ES Scientific Calculator

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My calculator won't stop saying dec. even when i turn it off.

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Press MODE 1 to switch out of integer mode and into real mode.

Posted on Mar 05, 2011


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I accidentally entered a function on a calculatot

No you do not have an exponential p. The p at the bottom right of the screen says that the numeration mode is the one in base 5 (pental mode). Change it to decimal (Dec). Find the key that has the marking (->Dec) above in on the faceplate of the calculator. It s probably the + key. Press [2nd F][+] (>Dec). The letter p will disappear.

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I have a Sharp EL-W535X calculator. I pressed the 2nd F button along with MDF and it now says PEN in the bottom left corner of the screen. I cannot find a way to get the word PEN off of the screen.

I believe you have activated the PENTAL (base 5) numeration mode.To revert to decimal >DEC, press the 2ndF key followed by +. (Verify on your calculator that the >DEC function is the shifted function of +).

Dec 21, 2011 | Office Equipment & Supplies

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How to change decomal to binary digit

take menu , then take option : base . then there is a switch that says DEC , press it and now type your decimal number. Then press =. now press the switch that says BIN. Here u go .
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Jun 05, 2011 | Casio FX-260 Calculator

1 Answer

My screen says DEC 0 and I cannot get it to go away so I can work problems

Your calculator is in binary mode. Press MODE 1 to switch to "normal" mode or MODE 2 to switch to complex mode.

Jan 27, 2011 | Casio FX-115ES Scientific Calculator

2 Answers

I am using a TI-86 calculator and whenever I try to do even the simplest problems (1+1) I get weird answers (10b) or "error"

Hi mandajoytoll,

Your in binary mode. All you can enter is 1 or an 0 in that mode or, your going to get an error. That is what the b at the end of the number is telling you, Binary! You probably want to change to Dec mode. Press [2nd] [MODE] and arrow down about 5 time. You'll probably notice Bin is highlighted. Select Dec by pressing [ENTER] to go to decimal mode calculations. Then press [EXIT] or, [2nd] [QUIT]. If you have any questions just post a comment and, I'll respond quickly.

Jan 26, 2011 | Texas Instruments TI-86 Calculator

1 Answer

Convert to/from Decimal/Binary

Press MODE 4 to enter the BASE-N mode. If the display doesn't say Dec, press SHIFT DEC (the x^2 key) to set base 10. Enter the number to convert. Press SHIFT BIN (the log key) to switch to base 2.

Each time you switch the base the current value is redisplayed in that new base.

Feb 07, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

Texas TI30xa solar calculator

if its any calculator TI-83 or higher it should have a usb port so you can change pesonal info or add different things like time date or even games.

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Rounding off numbers

To stop numbers from rounding off; Press the DEC key.

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Calculator is stuck in Binary mode

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 :)

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