Question about Casio FX-250HC Calculator

2 Answers

Casio fx 250hc

I have a number 1 on the left hand side of my display window. This will not clear. This also will not allow me to multiply, add, subtract or divide. Any ideas.

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  • Azn13adgirl Apr 30, 2008

    i Have the same problem

  • lsteel3 Aug 07, 2008

    I also have the same problem.

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2 Answers

Press Mode and 9 at the same time.

Posted on Aug 11, 2008

I had same problem

Posted on Jul 23, 2008

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Related Questions:

1 Answer

How to raise to the tenth power


Use x^y, which is the shifted function of the multiply key. For example, to raise two to the tenth power, press 2 SHIFT [x^y] 1 0 = .

Feb 01, 2012 | Casio FX-250HC Calculator

1 Answer

I need a casio manual for an fx-250HC calculator. Where can I find one?


You can download the manual from the manufacturer's web site at
http://support.casio.com/pdf/004/fx82SX_E.pdf

Jul 09, 2011 | Casio FX-250HC Calculator

1 Answer

How do I generate a random number that is greater than 1 on a casio fx-300MS


The random number function always generates a number between zero and one. You can convert this to a random number in any range by a suitable combination of multiplications and additions. For example, if you want a random number between zero and ten, multiply the generated random number by 10. If you want a random number between one and ten, multiply the generated random number by 9 and then add 1.

If you want to simulate the roll of a six-sided die, multiply the generated random number by 6, add 1, and ignore the fractional portion. This will give you a 1, 2, 3, 4, 5, or 6 with more-or-less equal probability.

Mar 10, 2011 | Casio FX-300MS Calculator

1 Answer

I need the instruction manual for a fx-250hc.


http://support.casio.com/pdf/004/fx82SX_E.pdf

Oct 05, 2010 | Casio FX-250HC Calculator

1 Answer

How do i get my casio fx-115 ES to let me use sec csc cot


The calculator doesn't have those functions built-in. Use the relationships sec(x) = 1/cos(x), csc(x) = 1/sin(x), and cot(x) = 1/tan(x).

Aug 22, 2010 | Casio FX-250HC Calculator

1 Answer

How to calculate 24124 mod 19937 in casio fx-991Ms calculator


The MOD function simply returns the remainder that is left over after dividing the two numbers.

In this case, its possible to see quite easily that only 1×19937 can be taken from 24124 before the remainder is less than 19937. The MOD function is therefore the same as 24124 - 19937 = 4187.

In cases that are less obvious, do the division, ie 24124 ÷ 19937 = 1.210011536[34]
[The last two digits are hidden on the display but still used in subsequent calculations].
Then obtain the fractional part by subtracting 1 to give 0.210011536[34]. Then multiply the answer by 19937 to give 4187. Assuming that you haven't cleared the screen between each section of the calculation, the screen will show "Ans×19937 [=] 4187".

May 10, 2010 | Casio FX-115MS Plus Calculator

1 Answer

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


Hi,
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.

Good luck

Nov 13, 2009 | Casio FX-250HC Calculator

1 Answer

Substitute for 1/X key


Use the x^-1 key, second row, far left. 1/x is x to the -1 power.

Feb 06, 2009 | Casio FX-250HC Calculator

1 Answer

Casio fx-250HC


press "0"(zero) then Min (memory in). This will clear the memory- do it that way with my 250hc all the time.

Oct 17, 2008 | Casio FX-250HC Calculator

1 Answer

Casio fx-250hc


they can't go off, u hv to be in one of the three modes

Apr 02, 2008 | Casio FX-250HC Calculator

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