Question about Casio FX-300MS Calculator

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2 problems My calculator seems to appear with exponential , i really dont know why, I tried changing the mode but is not helping, i.e. 10 + 20 = anw shows as 3.0 E01, I really dont know how to get this straight & simple. Second problem is, how to recall the memory, for instance, if 29902 is selected to be memorized then I cant recall this back? Pls. help The manual for this calc is in Spanish & I am a Malaysian.

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Check if it has a mode button, press mode then deg.

Posted on Jun 01, 2008

  • Mikey1963
    Mikey1963 Jun 01, 2008

    press the mode button twice then number 1 I think for Deg

  • Mikey1963
    Mikey1963 Jun 01, 2008

    to recall mem press alfa(inred) then M+ (which if you notice has a red M above it)

    similarily shift & M= to minus from memory.

    press mode button twice to display deg which is key 1 I think.



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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 am using my Casio fx-300MS and have somehow gotten into the display where it puts my answers in exponential form; 5+5 = 1.0 exp10 to the 1. How do I return to getting my answers in standard form?

Display Format

To change the exponential display format, press the [MODE] key 3 times.

Fixed number of decimal places:

Press 1: Scientific Notation: 0

Press 2: SCI: 0

Press 3: NORM

You will then be prompted for NORM 1 or NORM 2. CHOOSE NORM 1

To return the calculation mode and setup to the initial defaults, press [SHIFT] [CLR] [2]

[=]. This will return the calculator to the following settings:

Calculation mode COMP

Angle unit Deg

Exponential display format Norm 1

Fraction display format a b/c

Decimal point character Dot

Percentage Calculations

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1 Answer

I do not know how to change the mode on the calculator. i want it scientific but i am unable too.

Press MODE to bring up the mode editor. Use down-arrow to get to Exponential Format. Press right-arrow to bring up the choices, then press 2 to select Scientific notation. Press ENTER to save the settings and exit.

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I can't get the calculator out of the exponent mode. ex. It gives me 7 -03 rather than .007.

You must change the number display to FIX. Press [MODE][7:] followed by a number betwee 0 and 7. This will set the number of decimal digits. Be warned that the Indicator FIX will be displayed on the screen.
This information is for the FX250D, but I trust it is also valid for the FX-250HC. If it is not, just look in your manual. If you cannot find yours, do not blame me, I cannot get hold of a manual for this calculator.

You can always take the time to play with the [MODE] key followed by [.] or a number. When you press the mode + number, look on the screen to see what indicator appears (deg, Fix, Rad) The one that makes FIX appaear is the one that gets you out of the exponential scientific mode.

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You can calculate =4^1.2 in Excel and get 5.278031643
And also in Excel you can determine what the square root of 2 is (2.506628274631) and then in Excel = 5 ^ 2.506628274631 = 56.5012395907155.

I know this is late but maybe it will help later. Assuming I am doing it right. Thanks!

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Inputing numbers to solve exponential functions

there is a nice tutorial on
this works for ti 83, 83+, 84, 84+ and 84+ silver

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