Question about Casio Brand New-Fx-991es Plus - Scientific Calculator

How can I calculate error function (erf) using the calculator. Eg. erf (0.07)

Ad

Hi there,

Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Ad

SOURCE: Casio calculator MS-8TV

__SETTING YOUR TAX RATE__

you hold your set % button down for three seconds until set shows again, then hit tax rate button it shows your tax rate, change your tax rate then hit set your tax rate should be set.

cliff notes:

hold set% button

hit tax+ button

change the desired %

hit set done

Posted on Jan 11, 2008

SOURCE: i can't find an antilog function in my calculator .

Anti log will be shown as 10^x (10 raised to power x) For natural log it's e^x I think it's shift > log

Posted on Jun 03, 2009

SOURCE: Percenteg Function problem in my Casio MJ - 120 Model Calculator

I found it by myself, I can help you.

1. Press (AC)

2. Hold (Rate) for about 2-3 second

3. Press (Set / TAX+)

4. Input the tax rate

5. Press (Set / TAX+)

6. Hold (Rate) for about 2-3 second again

7. Press (Set / TAX+) again

And Then you can test the rate .

From Thailand

Posted on Oct 19, 2009

SOURCE: trying to use the "e" symbol on my calculator but

Hello,

You are not using the correct syntax of the exponential function.**[SHIFT][e^x] ( number)** .

[SHIFT][e^x] 1 EXE] gives 2.718281828

[SHIFT][e^x] [(-)] 3 gives 0.04978706837 . The (-) is the change sign to the left of the [EXE] key.

For simple arguments the parentheses are not necessay, but it is safer to use them to avoid ambiguities and erroneous results.

Hope it helps.

Posted on Oct 23, 2009

The inverse cosine function is defined for arguments from -1 to +1. 6 is outside of this domain, thus the error. Do you get an error if you try the inverse cosine of 0.6, for example?

If you're getting the same error for the inverse tangent, could you post an example?

If you're getting the same error for the inverse tangent, could you post an example?

May 12, 2014 | Casio FX83ES Scientific Calculator

Like many other Casio calculators, the fx-83GT Plus doesn't provide the modulus function. You have to do it the hard way.

To calculate 19 MOD 10 (which is 9, not 10 as you state in your question), first divide 19 by 10 and note the integer portion of the result (in this case, 1). Then subtract from 19 the product of 10 and the result of the first step. The result of the subtraction is the modulus. 19 - (1*10) = 9.

To calculate 19 MOD 10 (which is 9, not 10 as you state in your question), first divide 19 by 10 and note the integer portion of the result (in this case, 1). Then subtract from 19 the product of 10 and the result of the first step. The result of the subtraction is the modulus. 19 - (1*10) = 9.

May 10, 2013 | Office Equipment & Supplies

I am not sure I understand what you want, but if I am guessing right, you need to calculate formulas for derivatives, where the name of some variable appears eg= d(x^2)/dx = 2 x.

Sorry, the calculator does not have a CAS, you cannot perform symbolic calculations regardless of the subject (derivatives, integrals, sums of series, factoring polynomials, expanding polynomial products, polynomial division, etc.)

Sorry, the calculator does not have a CAS, you cannot perform symbolic calculations regardless of the subject (derivatives, integrals, sums of series, factoring polynomials, expanding polynomial products, polynomial division, etc.)

Feb 08, 2012 | Casio FX-9860G Graphic Calculator

Syntax is **$( function,lower bound,upper bound) =**

Press the Integral key. $(

Type in the function eg. sin

Type the variable: SHIFT ) to enter X

Type in a comma separator ,

Type in the lower bound of the integral

Type in a comma separator ,

Type in the upper bound

Close the right parenthesis )

Press = to get the result.

Note: You have to wait for the calculator to return with the answer. Some calculations may require time to perfor.

Press the Integral key. $(

Type in the function eg. sin

Type the variable: SHIFT ) to enter X

Type in a comma separator ,

Type in the lower bound of the integral

Type in a comma separator ,

Type in the upper bound

Close the right parenthesis )

Press = to get the result.

Note: You have to wait for the calculator to return with the answer. Some calculations may require time to perfor.

Jan 11, 2012 | Casio Office Equipment & Supplies

If you are trying to calculate arcsine (sin^-1) and arccosine (cos^-1) the only whole number you can use are -1,0 and 1. **This due to the fact that the domain of these functions is the closed interval [-1,1]. **Any value outside that interval will trigger an error message. No limitation on the argument of the arc tangent or arc cotangent functions

If the angle unit is set to degree the arc will be in degrees, and if angle unit is radian, the arc will be in radians.

If the angle unit is set to degree the arc will be in degrees, and if angle unit is radian, the arc will be in radians.

Sep 27, 2011 | Texas Instruments TI-84 Plus Calculator

Have
you checked the calculator's manual to see if the calculator is able
(natively) to handle functions of a complex argument. It is able to
handle simple algebra with complex numbers, powers, roots, solving a polynomial equation.

For this calculator, the hyperbolic functions must have a real argument otherwise you get a error. But just to make sure, try the exponential function with i (imaginary unit) as argument. If it comes back with a domain error you have your answer.

For this calculator, the hyperbolic functions must have a real argument otherwise you get a error. But just to make sure, try the exponential function with i (imaginary unit) as argument. If it comes back with a domain error you have your answer.

Apr 06, 2011 | Texas Instruments TI-89 Calculator

Use parenthesis.

1.06 [2nd] [ DEPR ] [ ( ] 1 [ / ] 4 [ ) ] [ - ] 1

2nd [ DEPR ] should be x^y or the exponentiation function.

1.06 [2nd] [ DEPR ] [ ( ] 1 [ / ] 4 [ ) ] [ - ] 1

2nd [ DEPR ] should be x^y or the exponentiation function.

Mar 02, 2011 | Sharp EL738C Scientific Calculator

You can find square root by giving your desired number ^ 1/2

May 25, 2010 | Office Equipment & Supplies

A. This is due to a mathematical error such as

- dividing by 0,
- an illogical operation,
- calculations outside the range of a function,
- using the exponential function with the [^] key,
- logarithm of a negative number,
- calculating the factorial of numbers larger that 69,
- what have you.
- Check the expression of the function you are trying to graph.

- Use keys to highlight [GRAPH] and press [EXE].
- Make sure the screen that opens says Graph Func Y= at the top.
- On the Y1= line enter X (use the [X,theta,T] key under the [ALPHA] key.
- Press [F6:Draw].
- You should see a staright line passing through the origin (0,0).

Feb 18, 2010 | Casio CFX-9850G Plus Calculator

Hello,

Find on the calculator the [nPr] key either (you may have to use the [2nd] or [2ndF] key) then

1. Enter the number that corresponds to n eg. 18

2. Press the [nPr] key

3. Enter the number that corresponds to r eg. 5

18[nPr]5 gives 1028160

If you calculate combinaitions use [nCr] key.

Hope it helps

Find on the calculator the [nPr] key either (you may have to use the [2nd] or [2ndF] key) then

1. Enter the number that corresponds to n eg. 18

2. Press the [nPr] key

3. Enter the number that corresponds to r eg. 5

18[nPr]5 gives 1028160

If you calculate combinaitions use [nCr] key.

Hope it helps

Aug 11, 2009 | Casio FX-115ES Scientific Calculator

11,698 people viewed this question

Usually answered in minutes!

×