Question about Office Equipment & Supplies

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Posted on Jan 02, 2017

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SOURCE: mean (x-bar), variance (s^2) and standard deviation (s)

Enter 1 then press the (SIGMA)+ button (SIGMA) looks like a sideways capital M ....its a Greek letter.

Then enter 2 and press the (SIGMA)+ button

Then enter the next value and press the (SIGMA)+ button

After you press the (SIGMA)+ button the calculator displays the number of numbers you have entered

Once all numbers of your sample have been entered press 2nd and the button corresponding to x-bar

sample st. dev is the (sigma)n-1 button (need to use 2nd button)

variance is (std. dev.)^2

population st. dev is the (sigma)n-1 button (need to use 2nd button)

variance is (std. dev.)^2

Posted on Mar 12, 2008

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SOURCE: Casio DF-120TE

Press "AC", then press "M/EX" above the "AC" to get out of Ci EXCH function.

Posted on Aug 13, 2008

SOURCE: Inputing factors on a casio fx-115es calculator

Unless I am failing to understand your problem, just combine like terms to get:

9x^2+2x+4 and then enter those coefficients into the quadratic solver.

That will get you the two answers -- both of them will be complex.

If you wanted to turn those two answers into factors (complex) of the original equation simply

change the signs on each and put an x in front.

Of course, the quadratic formula would also work.

CG

Posted on Apr 28, 2009

SOURCE: Casio calculator/printer won't print digits ending in zero

Unfortunately, I found there is no "solution." I called Casio and was told that there is no way to change that format on this model.

Posted on Jun 16, 2009

SOURCE: m mod n in Casio fx991MS

there is one button ab/c beneath CALC... if u want to calculate 7 mod 4 then... u should press 7 then ab/c 4 and equal to

1, 3 ,4 which is 4*1=4 and 7-4=3 remainder...

Posted on Jun 29, 2009

It is the slide switch for decimal places. You needs to be set to 2 places.

### Slide Switch ' Printing Calculators ' Calculators ' CASIO

support.casio.com > Support > FAQs > Calculators > Printing Calculators

Q1: What is the [F CUT 5/4] switch or [DEC] F, 0, 2 button for? (*HR*-8 series); A1: The *HR*-8 series have a [DEC] key with F, 0, 2, and 5/4 over it, while many other calculators models have a switch labeled [F CUT 5/4]. The button or switch can control *rounding off* to a certain number of decimal places. F is floating point (no F ...
Missing: 170rc
### HR-170RC ' Calculators ' Manuals ' CASIO

support.casio.com > Support > Manuals > Calculators
Â·This page might be unreadable or wrongly displayed depending on your browser, OS version, and settings. In this case, please try with different browser (Chrome, Firefox, etc.) Â·We recommend you to download the large PDF files from this site and view them *off*-line. [ To download a file ] 1.Align your mouse pointer with the ...
Missing: rounding
### [PDF]HR-170RC HR-200RC - Support - Casio

support.casio.com/en/manual/004/HR-170RC_200RC_WA_EN.pdf - Translate this page

Mar 15, 2017 - Back-*up* Battery. Your calculator comes with a single built-in CR2032 lithium battery that provides power to retain values stored in memory when you leave the calculator without power (AC ... Weight: *HR*-*170RC*: 570 g (20.1 oz) including batteries ..... performed with values as input, and the result is *rounded*.
### Slide Switch ' General Calculator ' Calculators ' CASIO

support.casio.com > Support > FAQs > Calculators > General Calculator
Q1: What is the use of the Slide Switch? A1: F: Floating Decimal CUT: Values are cut *off* to the number of decimal places specified by the current Decimal Place Selector setting. *UP*: Values are *rounded up* to the number of decimal places specified by the current Decimal Place Selector setting 5/4: Values are *rounded off* (0,1 ...Missing: 170rc

Q1: What is the [F CUT 5/4] switch or [DEC] F, 0, 2 button for? (

Mar 15, 2017 - Back-

Mar 01, 2018 | Casio Office Equipment & Supplies

In Casio Graphing calculators, MA error stands for Math Error. The calculation overflows the memory.

Nov 07, 2016 | Casio FX-9750GII Graphing Calculator

Are you entering any number before pressing the minus, add, multiply, or divide key? Those operations require two numbers; if you don't supply the first one then the calculator will supply the previous answer, which was zero.

For example, to add 2 and 3, press 2 + 3 = and you'll see 5. Now to add 4 to that, press + and the calculator will automatically supply the 5. Press 4 = and you'll see 9.

For example, to add 2 and 3, press 2 + 3 = and you'll see 5. Now to add 4 to that, press + and the calculator will automatically supply the 5. Press 4 = and you'll see 9.

Oct 08, 2013 | Sharp el-531x scientific calculator

If you're getting -3.38 then you've just computed the tangent of 5 radians. If you want to do calculations in degrees then change the calculator's angular mode to degrees.

Oct 07, 2012 | Casio FX-300W Plus Calculator

The inverse sine is defined only for numbers in the range [-1, +1].

The sine of a number is at most 1.0. There is no number whose sine is 1.5, which is what you're asking for.

The same applies to the cosine and inverse cosine.

The sine of a number is at most 1.0. There is no number whose sine is 1.5, which is what you're asking for.

The same applies to the cosine and inverse cosine.

Oct 24, 2011 | Casio FX-115ES Scientific Calculator

The calculator can't identify that this is a surd unless you input it as a surd, ie as 3/(4*sqrt(5))= when it will then show the equivalent form 3*sqrt(5)/20 (obtained by multiplying top and bottom by sqrt(5)) and you can swap between the two forms using the S<>D button. Even adding the next 4 decimal places (hidden) won't allow the calculator to identify the underlying surd as this is simply too complcated a calculation.

Jun 08, 2011 | Casio FX-115ES Scientific Calculator

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.

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

Did you enter a dot as a separator for the thousands? If yes, this is the error. The calculator interprets all digits following the dot as fractions of decimals.

So you enter 220.000 meaning 220 thousand, your calculator gets it as 220 comma 0, and thats where your three zeros go...

To make it right, enter your numbers as 220000 - 100000 and you'll get 120000 as result.

So you enter 220.000 meaning 220 thousand, your calculator gets it as 220 comma 0, and thats where your three zeros go...

To make it right, enter your numbers as 220000 - 100000 and you'll get 120000 as result.

Jan 10, 2011 | Casio FX-115ES Scientific Calculator

This post is rather exhaustive as regards the matrix capabilities of the calculator. So if the post recalls things you already know, please skip them. Matrix multiplication is at the end.

Let me explain how to create matrices. (If you know how to do it, skip to the operations on matrices, at the end.)

First you must set Matrix calculation

[MODE][6:Matrix]. Then By entering one of the numbers [1:MatA] or [2:Matb] or [3:MatC] you get to choose the dimensions of the matrix

(mxn]. Once finished entering the matrix you clear the screen.

The operations on matrices are available by pressing [Shift][Matrix]

[1:Dim] to change the dimension of a matrix (in fact redefining the matrix)

[2:Data] enter values in a matrix

[3:MatA] access Matrix A

[4:Matb] access Matrix B

[5:MatC] access matrix C

[6:MatAns] access the Answer Matrix (the last matrix calculated)

[7:det] Calculate the determinant of a matrix already defined

[8:Trn] The transpose of a matrix already defined

To add matrices MatA+MatB (MUST have identical dimensions same m and same n, m and n do not have to be the same)

To subtract MatA-MatB. (MUST have identical dimensions, see above)

To multiply MatAxMatB (See below for conditions on dimensions)

To raise a matrix to a power 2 [x2], cube [x3]

To obtain inverse of a SQUARE MatA already defined MatA[x-1]. The key [x-1] is the x to the power -1 key. If the determinant of a matrix is zero, the matrix is singular and its inverse does not exit.

Dimensions of matrices involved in operations must match. Here is a short summary

The multiplication of structured mathematical entities (vectors, complex numbers, matrices, etc.) is different from the multiplication of unstructured (scalar) mathematical entities (regular numbers). As you well know matrix multiplication is not commutative> This has to do with the dimensions.

An**mXn **matrix has** m rows **and**
n columns**. To perform multiplication of an **kXl** matrix by
an **mXn** matrix you multiply each element in one row of the first
matrix by a specific element in a column of the second matrix. This
imposes a condition, namely that the number of columns of the first
matrix be equal to the number of rows of the second.

Thus, to be able to multiply a kXl matrix by am mXn matrix, the number of columns of the first (l) must be equal to the number of rows of the second (m).

So**
MatA(kXl) * MatB(mXn) is possible only if l=m**

MatA(kX3) * Mat(3Xn) is possible and meaningful, but

Mat(kX3) * Mat(nX3) may not be possible.

To get back to your calculation, make sure that the number of columns of the first matrix is equal to the number of rows of the second.** If this condition is not satisfied, the calculator
returns a dimension error**. The order of the matrices in the
multiplication is, shall we say, vital.

Let me explain how to create matrices. (If you know how to do it, skip to the operations on matrices, at the end.)

First you must set Matrix calculation

[MODE][6:Matrix]. Then By entering one of the numbers [1:MatA] or [2:Matb] or [3:MatC] you get to choose the dimensions of the matrix

(mxn]. Once finished entering the matrix you clear the screen.

The operations on matrices are available by pressing [Shift][Matrix]

[1:Dim] to change the dimension of a matrix (in fact redefining the matrix)

[2:Data] enter values in a matrix

[3:MatA] access Matrix A

[4:Matb] access Matrix B

[5:MatC] access matrix C

[6:MatAns] access the Answer Matrix (the last matrix calculated)

[7:det] Calculate the determinant of a matrix already defined

[8:Trn] The transpose of a matrix already defined

To add matrices MatA+MatB (MUST have identical dimensions same m and same n, m and n do not have to be the same)

To subtract MatA-MatB. (MUST have identical dimensions, see above)

To multiply MatAxMatB (See below for conditions on dimensions)

To raise a matrix to a power 2 [x2], cube [x3]

To obtain inverse of a SQUARE MatA already defined MatA[x-1]. The key [x-1] is the x to the power -1 key. If the determinant of a matrix is zero, the matrix is singular and its inverse does not exit.

Dimensions of matrices involved in operations must match. Here is a short summary

The multiplication of structured mathematical entities (vectors, complex numbers, matrices, etc.) is different from the multiplication of unstructured (scalar) mathematical entities (regular numbers). As you well know matrix multiplication is not commutative> This has to do with the dimensions.

An

Thus, to be able to multiply a kXl matrix by am mXn matrix, the number of columns of the first (l) must be equal to the number of rows of the second (m).

So

MatA(kX3) * Mat(3Xn) is possible and meaningful, but

Mat(kX3) * Mat(nX3) may not be possible.

To get back to your calculation, make sure that the number of columns of the first matrix is equal to the number of rows of the second.

Dec 18, 2010 | Casio FX-115ES Scientific Calculator

1. Press [AC]

2. Hold [SET/%] key for about 2 seconds

3. Press [TAX+]

4. Input the tax rate

5. Press [SET/%]

Otherwise, see the Casio's FAQ page

http://www.casio.com/support/techsupport/08B88781-94BF-4C2F-A867-7E5AF85AC461

2. Hold [SET/%] key for about 2 seconds

3. Press [TAX+]

4. Input the tax rate

5. Press [SET/%]

Otherwise, see the Casio's FAQ page

http://www.casio.com/support/techsupport/08B88781-94BF-4C2F-A867-7E5AF85AC461

Apr 05, 2009 | Casio DM-1200TE Calculator

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