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Posted on Jan 02, 2017

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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: 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

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

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

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.

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

Jan 13, 2014 | ixl.com

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.

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

Jan 13, 2014 | ixl.com

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.

Feb 06, 2011 | Canon Office Equipment & Supplies

You can download the manual from

http://downloads.canon.com/cpr/software/calculator/P170-DH-(USA-HWB).pdf

128000 - 10000 then press = or chain the calculation by pressing + or - and the number you want to add or subtract.

http://downloads.canon.com/cpr/software/calculator/P170-DH-(USA-HWB).pdf

128000 - 10000 then press = or chain the calculation by pressing + or - and the number you want to add or subtract.

Sep 30, 2010 | Canon P170-DH Calculator

20.9 cubic feet for model # RT21AKXKQ

14 cubic feet for model number RT14BKXKQ05

14 cubic feet for model number RT14BKXKQ05

Jun 07, 2009 | Roper RT21AKXKQ Top Freezer Refrigerator

I have a Casino MS-80S and yea, the percentage works different. As example to take 100 and subtract 10%, this is what I do: 100 X 10% - and then I get the answer 90 after I press the minus key. To add the percentage instead, 100 X 10% + will give me an answer of 110, after I press the plus key.

Apr 04, 2009 | Casio HR8TM Calculator

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

int KW = 14; //First flat rate

int amount; //total amount they have to pay

while(totalKW > 0)

{

totalKW -= KW; //subtract the first rate

if(totalKW <= 0) //check if too much subtracted

break; //if so break

amount += rate; //add the rate to the total

rate += 1; // Add $1 to the rate every time

KW *= 2; // KW is doubled

}

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

int KW = 14; //First flat rate

int amount; //total amount they have to pay

while(totalKW > 0)

{

totalKW -= KW; //subtract the first rate

if(totalKW <= 0) //check if too much subtracted

break; //if so break

amount += rate; //add the rate to the total

rate += 1; // Add $1 to the rate every time

KW *= 2; // KW is doubled

}

Jan 05, 2009 | Computers & Internet

Select speed dry. The time button changes time (20,30,40,50,60 minutes) and you can use the small silver buttons on either side of the display to add or subtract individual minutes, so you could set for 43 minutes or 67 minutes for example. Remember to select the temp you desire also.

Oct 15, 2008 | LG DLE5977 Electric Dryer

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)

Oct 14, 2008 | Texas Instruments TI-89 Calculator

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

Jul 25, 2008 | Sharp EL-1801AII Calculator

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