Question about Casio FX-300MS Calculator

2 Answers

I have a few questions. First, I want to multiply exponents like 5 to the 3rd x 5 to the 4th and not have it give me 78125. Can I set it do it gives me 5 to the 7th? I also want to know if I can factor on this calculator, if so, how? lastly, How do I find the GCD and LCM on this calculator?

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  • patty_sussma Oct 04, 2009

    What I need to know is if I can find the prime factorization of a composite number on this calculator, not the factorial, for example, the prime factorization of 4400 would be:
    2⁴ x 5² x 11 (can I get an answer written out like this?).

    Also, when I multiply something like 5² x 5³ = can I get an answer like 5² x 5³ = 5⁸ instead of 3125?

    I was told I can not calculate the LCM or GCD using this model, is that true? Any way to simplify this process so I don't waste valuable time in a test doing factor trees?

  • patty_sussma Oct 04, 2009

    No, this makes no sense to me and I am not sure you understnd the question I am asking, I need the answer to be written out exponentially, so.. (I don't have the keys to write this properly)I am looking for the answer to be in this format but not written out like this. The prime factorization of 4400 would be:
    2 squared x 10 squared x 11

    also, a calculation like 5 to the 3rd x 5 to the 4th is giving me 78125 instead of 5 to the seventh.

    How do I set me calculator to give me answers in a exponential format?

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2 Answers

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If you go to Casio.com the offer all manuals for your model, that should explain how to do the things youre asking, and locations of the buttons.,

Posted on Oct 04, 2009

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Hi,

You should use the parenthesis to specify the order of operation, .

To insert paranthesis, follow the following steps

You do not need parentheses.To insert paranthesis..
Use Replay and [SHIFT] [INS] to add parentheses.
Blinking [ ] is the insert cursor.

Now you can specify the order of operation to get the desire result..

You can find the factor of a number using this calculator, but you can perform factorial for a number using this calucltor
Eg: Factorial of 4 is 4X3X2X1=24
To calculate this 4 SHIFT x! =

GCM and LCM cannot be caluculated with this model..

For the list of operation you can perform using this calculator and to know how to peform it, you can download the instruction manual from the below link

http://www.radioelectronicschool.net/files/downloads/USER_GUIDE_CASIO_350MS.pdf

please leave me comment, if you need further assistance
RNJ VINODKUMAR

Posted on Oct 04, 2009

  • Vinod Kumar
    Vinod Kumar Oct 04, 2009

    As i said above you cant find factors, GCD and LCM..This is true..



    And regarding your calculation, YOu have to insert braces to follow your order of operation



    Suppose if you want to perform 5+4 x 3+5, you should get 9 x 8 = 72

    but calculator calculate it as 5 +12 +5 =22



    So to solve this, youhave to add braces ( 5+4 ) x(3+5), so get the correct result



    To add braces foloow these steps



    Use Replay and [SHIFT] [INS] to add parentheses.
    Blinking [ ] is the insert cursor



    Please reconsider my solution and if you feel that its worth, Accept my solution and rate it good..

    Else you can go with other solution..



    Thanks using Fixya!

    RNJ VINODKUMAR

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1 Answer

What is most common power problem?


If by power, you mean exponents, there are several rules.

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How do you simplify the exponent on the calculator?


Hi,

I assume 13m/2 is the radius of the sphere and you are trying to calculate the volume of the sphere.

The first thing we have to think of is BEDMAS, the order of operations, as some calculators do them correctly, while others do not. Let's be safe and do the BEDMAS manually so we know we will get the correct answer.

B - brackets - enter 13/2 in the calculator - hit enter
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The exponent function automatically displays and multiplies by 10. How do I turn this off?


Here is the manual in PDF format. Simply search the documant once loaded by holding the "CTRL" key and pressing "F" this will bring up a search window. From there type in the search window "exponent" there are 6 different mentions of it. the 4th one gives you directions.
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What is the answer to to this (x^5)^3(x^3)^4


We have to follow BEDMAS, the order of operations, where brackets are first, then exponents, followed by division and multiplication, and finally addition and subtraction.

Also, we have to use the exponent law of an exponent to an exponent, we multiply the exponents with the same base.

If we forget this, we can always do it the long way.

(x^5)^3 = (x^5)(x^5)(x^5) = x^15

Similarly, (x^3)^4= (x^3)(x^3)(x^3)(x^3) = x ^12

Now that we have done the exponents, we can multiply x^15 by x^12 and get x^27.

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How to enter exponents ex. 10 to the 4th power???


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Looking for a syntax


I am not sure what you are asking for?
Repeated multiplication (with same factor) is called raising a number (base) to a power. The exponent of the power is equal to the number of times the factor is repeated.
The calculator has several buttons to calculate powers.
For the square X*X you have a key [X^2].
For the cube X*X*X you MIGHT have a dedicated key [X^3].
However all calculators (scientific) have a universal power key marked [^] or [X^y] or [Y^x]

Example : In 5x5x5x5x5x5x5 you have a repeated multiplication, so the base is the factor (5) and the exponent is equal to 5. It is equal to the number of times the factor is repeated.
So 5x5x5x5x5x5x5 can be written much more efficiently as 5^7

Entering 5 then pressing the [^] key, followed by the exponent 7 gives the result 78125.

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I don't know how to multiply by a negative exponent. ex: 10(-8) ....the -8 is the exponent.


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Ex: Enter Avogadro's number of Generalk Chemistry fame
6.02[SHIFT][,] (EE) (-)23
Here is screen capture of what it will look like.

0da174e.jpg

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How do I add Exponents on my T1-30xa calculater


Hello,
There is a rule of Algebra, that says
(a^m)[x] (a^n) = a^(m+n)

a is the base of the power, n, and m are the exponents. As you can see, multiplying two powers of the same base is equal to the power of the (common) base with the sum of the exponents.
If that is what you had in mind, the calculator uses the rule correctly and no intervention from you is necessary.
If you enter (2^4)[x](2^6), the calculator will give 1024, which is 2^10.

I may be wrong, but what you call add exponents refers really to performing addition where addends (the terms you add) are arbitrary powers, such as
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Once you enter a power term, the calculator calculates it and the result is now just a number. It can be added, subtracted, multiplied

For the exemple above
2 [Y to the x] 7 + (5.5)[Y to the x] 3 -(1/3) [Y to the x] 4 [=] yields 294.3626543

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Hope it helps.

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Math


Correct me if I'm wrong but are you asking what an exponent is? If you are an exponent is the small number to the upper right corner of a number. the larger number is multiplied by itself by the smaller number (ex. large 4 and small 5= 4x4x4x4x4= 1024)

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Poisson


Hello
To raise a number to any power you use the [^] caret key or on some calculators the [x^y] (x raised to exponent y)

20^(4) =160000

20 to the power of negative 3
20[^] 3 [(-) or +/-] ENTER gives 1.25x10^(-4) = 0.000125 (-) is the small minus sign.

If that gives you a syntax error
20[^] [(-) or +/-] 3[ENTER] = 0.000125

27 [^] (1/3] represents the cube root of 27 which is 3.
Hope it helps.

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