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Im trying to multiply a number by a power of 10. like 456 times 1*10^6 and it keeps giving me a syntax error

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Syntax error

Don't enter the commas. Just press 1 1 7 8 3 * 5 2 0 1 =

The calculator interprets a comma as separating two items, not as part of a single number.

Feb 13, 2014 | Casio Office Equipment & Supplies

1 Answer


I am willing to bet that if the calculator could talk she would tell you to stop feeding it commands that make no sense. Joking aside, each command has a certain syntax, similar to sentences you make in English: a prescribed order of the components of the sentence.

For some calculators (the older generations) you press a number then the square root key to get the square root. For the newer ones, you press the square root key. The calculator keeps waiting until you enter the radicand, then it calculates the root.
So before using the command you must know in what order to press the key sequence. If you get an error with a certain key order, do the opposite.

Now, why is the calculator giving you a syntax error always?. There could be may reasons.Try a simple addition or a multiplication. If you get a syntax error, it may be due the computational mode. You may be in statistics mode , or some other modes, I cannot begin to guess, because you say nothing about what you were doing when you get the errors.
Try to reset the calculator to get to default computational mode.

May 22, 2012 | Casio Office Equipment & Supplies

1 Answer

Decimal exponents don't work

The EE (or x10^x on Casios) does give a syntax error if you use it with decimal exponents, but the expressions do calculate correctly if you use the full expression with the general power key. The EE key is a shortcut and may have been designed to accept only integer values for the exponents.
I tried that on Casio and the TI calculators.

May 08, 2012 | Texas Instruments TI-84 Plus Silver...

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

How to work x-1 button keeps saying syntax error

The x^-1 button find the inverse of whatever value you put for x.

For example, if you input 2, the x^-1 button should give you 2^-1, or 1/2, which equals .5

Does this solve your problem?

Mar 07, 2011 | Casio FX83ES Scientific Calculator

1 Answer

Trying to get the inverse of a matrix


The error may be due to the key you used to signifie inverse. It says in the manual that you should use the key x^-1 not the one used to input general powers.
Here is screen capture from the Appendix to the manual. The picture shows the sequence of keys to press to obtain the inverse of a 2x2 matrix. It is taken from page 41 of Appendix

The matrix used in the exemple is
a_11=2 a_12=1 a_21=1 a_22=2
Here is the link to download the manual and the appendix

Hope it helps

Jul 13, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

How do i use e key above in key

The number immediately following the e key is the power to which the value of e (2.718281828) is raised. Thus, e5 is equal to 148.4131591, the same as (2.718281828^5) If you press the e key without entering a number after it, an error results. Therefore, the only way to read your equation [500e^0.4] is to assume that e is first being raised to the power of 0.4, then multiplied by 500. To enter this on the Casio, press 5 0 0 [shift] [In] . 4
You will get 745.9123488
If the equation is intended to read (500 multiplied by e) then this value raised to the power of 0.4, that doesn't make sense, as e has no number following it.

Your second equation, 6.1e^0.014 would be entered 6 . 1 [shift] [In] . 0 1 4
This returns a value of 6.186006

You omit the 'power of' sign when you enter the equations.

Hope this helps.

Apr 06, 2009 | Casio FX-9750GPlus Calculator

1 Answer


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.

Oct 20, 2008 | Texas Instruments TI-30 XIIS Calculator

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