Question about Canon P23-DHV Calculator

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You can download the manual from the manufacturer's web site at http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=DownloadDetailTabAct&fcategoryid=346&modelid=15431

Posted on Mar 12, 2010

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Posted on Jan 02, 2017

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The manual mentions an add mode, turning the calculator into an adding machine.

If this is the case, you can do this test and see if it works to confirm that it is acting like an adding machine.

4+

3-

5+

*

Think of these as integers. The 4 is positive, the 3 is negative, the 5 is positive. When we add all these integers together, we get positive 6.

Good luck.

Let me know if you have any questions.

Paul

If this is the case, you can do this test and see if it works to confirm that it is acting like an adding machine.

4+

3-

5+

*

Think of these as integers. The 4 is positive, the 3 is negative, the 5 is positive. When we add all these integers together, we get positive 6.

Good luck.

Let me know if you have any questions.

Paul

Sep 23, 2015 | Sharp EL-1801P Calculator

I assume you mean (2x12)/4+10-6 as in your first post. I can understand how you got the wrong answer of 3 in that case but not as you wrote it here.

Multiplication and division get precedence over addition and subtraction.

First, evaluate the expression inside the parentheses: 2x12 is 24.

Then divide by 4 to get 6.

Add 10 to get 16.

Subtract 6 to get 10.

If you incorrectly do addition and subtraction before division then you divide 24 by 4+10-6 (which is 8) and get 3.

Multiplication and division get precedence over addition and subtraction.

First, evaluate the expression inside the parentheses: 2x12 is 24.

Then divide by 4 to get 6.

Add 10 to get 16.

Subtract 6 to get 10.

If you incorrectly do addition and subtraction before division then you divide 24 by 4+10-6 (which is 8) and get 3.

Jan 14, 2014 | Computers & Internet

OFF • P P•IC

ON POWER SWITCH; PRINT / ITEM COUNT MODE SELECTOR:

"OFF": Power OFF

"•": Power ON. Set to the non print mode.

"P": Power ON. Set to the print mode.

"P•IC": Power ON. Set to the print and item count mode.

1) For addition or subtraction, each time is pressed, 1 is added to the item

counter, and each time is pressed, 1 is subtracted.

• The count is printed when the calculated result is obtained.

• Pressing of , clears the counter.

2) When the grand total/rate setting mode selector is in the ON position (GT), the

counter will count the number of times that the calculation results have been

stored in the grand total memory. To print and clear the count, press the key.

3) The memory item counter will count the number of times that the key has

been pressed in the addition.

Note: • Each time the key is used in the subtraction, 1 will be subtracted from

the count.

• The count is printed when the memory is recalled.

• Pressing of the key clears the counter.

Note: The counter has a maximum capacity of 3 digits (up to ±999). If the count exceeds

the maximum, the counter will recount from zero.

ON POWER SWITCH; PRINT / ITEM COUNT MODE SELECTOR:

"OFF": Power OFF

"•": Power ON. Set to the non print mode.

"P": Power ON. Set to the print mode.

"P•IC": Power ON. Set to the print and item count mode.

1) For addition or subtraction, each time is pressed, 1 is added to the item

counter, and each time is pressed, 1 is subtracted.

• The count is printed when the calculated result is obtained.

• Pressing of , clears the counter.

2) When the grand total/rate setting mode selector is in the ON position (GT), the

counter will count the number of times that the calculation results have been

stored in the grand total memory. To print and clear the count, press the key.

3) The memory item counter will count the number of times that the key has

been pressed in the addition.

Note: • Each time the key is used in the subtraction, 1 will be subtracted from

the count.

• The count is printed when the memory is recalled.

• Pressing of the key clears the counter.

Note: The counter has a maximum capacity of 3 digits (up to ±999). If the count exceeds

the maximum, the counter will recount from zero.

Dec 17, 2010 | Sharp EL-1801P Calculator

- 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"

May 02, 2010 | School Zone Addition Subtraction Full...

Hello,

I do know what calculator you have but on most calculators you have digit keys to key in numbers, operation keys (multiplication, division, addition, subtraction), function keys (log, exponential, %, square root, square or a power) and you have the = key to obtain the result of the calculation.

Press the [ON] button

To add 2 numbers, exemple 12 and 13

12 [+ key] 13 [= key]. Calculator displays 25, or 25.00 or 25.0000...

To subtract

13 [- key] 7 [=key] . Calculator displays 6 or 6.00, 6.0000....

To multiply

32 [x key] 5 [= key]. Calculator displays 160.

You may have memory keys, to store values. They may be labeled M to enter a number in memory, M+ to add a number to the one already in memory, M- to subtract from the number already in memory.

Hope it gets you started.

I do know what calculator you have but on most calculators you have digit keys to key in numbers, operation keys (multiplication, division, addition, subtraction), function keys (log, exponential, %, square root, square or a power) and you have the = key to obtain the result of the calculation.

Press the [ON] button

To add 2 numbers, exemple 12 and 13

12 [+ key] 13 [= key]. Calculator displays 25, or 25.00 or 25.0000...

To subtract

13 [- key] 7 [=key] . Calculator displays 6 or 6.00, 6.0000....

To multiply

32 [x key] 5 [= key]. Calculator displays 160.

You may have memory keys, to store values. They may be labeled M to enter a number in memory, M+ to add a number to the one already in memory, M- to subtract from the number already in memory.

Hope it gets you started.

Oct 10, 2009 | Canon Office Equipment & Supplies

When you want to complete a problem on an adding machine, such as "7 - 3," you would not key in "7," then the subtraction sign, then "3" and then an equal sign. If you do, then you will get an answer of "-4," and you know that is not the correct answer. Again, you have to think like an accountant when you are working with your adding machine. To figure this subtraction problem on an adding machine, you would need to key in "7," the addition sign, "3" and then the subtraction sign; you would get the answer of 4. You are actually working the problem as "7 + (-3)." This would be true on most modern day machines. In order to subtract, you have to add the negative number.

Sep 25, 2009 | Victor 1208-2 Calculator

Enter a number, then press + for positive, or - for negative.

Example,

47 +

12-

___

35

It is bass-ackward from most calculators, and you will screw up with any other calculator when you get used to it.

Just remember what value the number is that you just put in (i.e. positive or negative.)

Example,

47 +

12-

___

35

It is bass-ackward from most calculators, and you will screw up with any other calculator when you get used to it.

Just remember what value the number is that you just put in (i.e. positive or negative.)

Apr 02, 2009 | Canon P23-DHV Calculator

addition goes like this lets say you want to do 2 + 2

2 +

2 +

the unit will display 4

To subtract

2 +

2 -

2 +

2 +

the unit will display 4

To subtract

2 +

2 -

Mar 30, 2009 | Victor 1212-2 Calculator

Any formula in Excel starts with the equals sign ("="). This is how Excel distinguishes between formulas and literal values. Knowing this, you can create lots of formulas using the usual operators of +, -, * and / for addition, subtraction, multiplication and division, respectively. Please see the examples below.

Add 1 + 1: =1+1

Add the contents of cell A1 to the contents of cell B1: =A1+B1

Subtract 2 - 1: =2-1

Add the contents of cell A1 from the contents of cell B1: =B1-A1

Multiply 1 times 2: =1*2

Multiply the contents of cell A1 times the contents of cell B1: =A1*B1

I hope this resolves the question. If not, please let me know.

Add 1 + 1: =1+1

Add the contents of cell A1 to the contents of cell B1: =A1+B1

Subtract 2 - 1: =2-1

Add the contents of cell A1 from the contents of cell B1: =B1-A1

Multiply 1 times 2: =1*2

Multiply the contents of cell A1 times the contents of cell B1: =A1*B1

I hope this resolves the question. If not, please let me know.

Aug 08, 2008 | Microsoft Computers & Internet

First keep the manual aside .

From "columns of figures ",do u mean a set of calculations.If this is the case, if your calculator has brackets{ } or [ ] ,use this function to add or subtract columns of figures.

Eg: [789+546+123+852+6547+65]=8922

OR

[789+587+6598+458] - [ 548+2587+456+584]=

8432 - 4175 = 4257

I hope this solution solves your problem.

From "columns of figures ",do u mean a set of calculations.If this is the case, if your calculator has brackets{ } or [ ] ,use this function to add or subtract columns of figures.

Eg: [789+546+123+852+6547+65]=8922

OR

[789+587+6598+458] - [ 548+2587+456+584]=

8432 - 4175 = 4257

I hope this solution solves your problem.

Jul 17, 2008 | Casio Office Equipment & Supplies

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