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I am needing to subtract or add % but did not see the information in the manual unless i over looked it. Example: 159.99 - 12% = ???.

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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onomou
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SOURCE: adding and subtracting lengths of measurements

You can use the units menu (2nd > 3) to place a unit after some number you want to qualify as being an unit, or you can just type them in like 5_ft + 6_in. Note that you need to add on each part if you are doing mixed measurements; there is no _ft_in combination. So just add each manually - in your case you would do (5_ft + 6_in) - (2_ft + 8_in)

Posted on Oct 04, 2009

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SOURCE: manual

How do I subtract on Sharp EL-180 1V calculator?

Posted on Feb 27, 2010

paul7of9
  • 1189 Answers

SOURCE: how do you subtract low numbers from high numbers

  • Hi, to "Subtract a >Higher (#,$) numbers from a <Lower (#, $) numbers; you take the "bigger number 167, place that number (over the smaller number 78 and from (right to left) take away numbers. Example: 167 - 86 = Think of 167 as $167.00 and 86 as $86.00, so to make $86.00 into $167.00 you'll need a $81.00 more. So if you think about how much more money you will need to "Add" to make a certain amount, it is just the same as how much you "Don't have! You have $167.00 when you go shopping for clothes, and you spend $86.00 when you count how must money you have left, it add up to $81.00 "That's "Subtracting." "Subtract (167 from 86 you get 81). " Always remember the Higher, or Larger number goes on top! " If you want to check to see if the answer is "right," add the two number together,(86 + 81 = 167). "I hope this helped you, rating the solution is appreciated, thanks"

Posted on May 02, 2010

  • 7993 Answers

SOURCE: We are trying to add, subtract, multiply, and

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. As to division of matrices, I do not believe that this operation exits.

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: D A T A] 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.

Posted on May 10, 2011

  • 7993 Answers

SOURCE: I have an Casio fx-300ES,

All you need to know is how to enter a number in scientific notation. As to the operations you do them the usual way: For example, to multiply you enter a number (in any notation) press the multiplication key then enter the second number (in any notation) and press the = sign to get the result.

The problem is that the result may not be in scientific notation format. But for that you can configure the calculator to always show results in scientific format. Here is how to force that. Press [SHIFT][MODE] to enter (SetUp). In the screen that displays enter the number for the option SCI. You will then be prompted to specify the number of decimal digits. You will enter a number between 0 and 9. If you select 0 you will not have decimals in the result, and if you enter 9 you will have 9 decimals. What is the appropriate number of decimal place to keep in the FINAL result will depend on the number of significant digits in the measuremnets.

To enter a number in scientific notation (ex: 6.25x10^(-4))
You enter the so-called mantissa 6.25
You press the key at the bottom of keypad that is marked as [X10^x]
You enter the change sign (-) followed by the exponent 4

If your calculator is in MathIO you will be able to verify that what was entered is exactly what was neant. In MathIO, you move cursor up or down using the Up or Down arrow. When you finish entering the exponent you use the right arrow to bring cursor to the main level.

Posted on Aug 25, 2011

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1 Answer

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Just add or subtract the numerators.

For example, to subtract 1/7 from 3/7, simply subtract1 from 3 to get 2. The answer is then 2/7.

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Add and subtract fractions with like demominators


Just add or subtract the numerators.

For example, to add 1/7 and 2/7, simply add the 1 and 2 to get 3. The answer is then 3/7.

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My calculator will add, but after my total and then I want to subtract, it subtracts by the number I added.


If your calculator is more of an adding machine it works a little bit differently than a calculator. For an example: 10 + 5 - 2 on your machine do the addition of 10 + 5, then to subtract the 2 press 2 then the minus sign to get the total of 13. I hope this is helpful.

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I do not have the manual. If I want to add or subtract do I put the total amount in and than hit the plus or minus key ? i.e., $128,000 -10000. do I hit the minus before the amount or after? -1500....


You can download the manual from
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First think how you would solve this problem yourself on a piece of paper. Then try programming it using the things you learned (if they've given you this assignment without teaching you to multiply, subtract and use if's, drop the course).
Well here is an idea.

Take the total kilowattage and send it to a function. What the function will do is subtract 14KW from the total Kilowattage and add the amount for the first 14KW then subtract 85KW from the total KW and add the amount for the 85KW. But once you subtract the number of KW from the total make sure to check if the total KW isn't negative, if so just break out of the function and return the total due.

Or if you have formula for how much the rate grows over how many miles.

For example lets say the rate grows by $1 every time the KW doubles you could have something like

int rate = 1; //Begining rate
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Drying manually


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1 Answer

Adding and subtracting lengths of measurements


You can use the units menu (2nd > 3) to place a unit after some number you want to qualify as being an unit, or you can just type them in like 5_ft + 6_in. Note that you need to add on each part if you are doing mixed measurements; there is no _ft_in combination. So just add each manually - in your case you would do (5_ft + 6_in) - (2_ft + 8_in)

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1 Answer

Manual


How do I subtract on Sharp EL-180 1V calculator?

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