Question about Victor 1208-2 Calculator

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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.

Posted on Mar 23, 2010

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Posted on Jan 02, 2017

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There's 2 ways. Find 18% of 9 which is 0.18 x 9 = 1.62, then subtract that from 9 = 9 - 1.62 = 7.38

Or, subtract 18% from 100% = 82%, then find 82% of 9 = 0.82 x 9 = 7.38.

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Or, subtract 18% from 100% = 82%, then find 82% of 9 = 0.82 x 9 = 7.38.

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Jun 09, 2016 | Office Equipment & Supplies

Could it be that it has adding machine logic and not calculator logic?

Let's do an experiment. 3+ 3+ 5-. Is the answer 1?

If so, it is working like an adding machine. Every number you enter is considered positive or negative and it keeps a running total.

Let me know if you have any questions.

Good luck.

Paul

Let's do an experiment. 3+ 3+ 5-. Is the answer 1?

If so, it is working like an adding machine. Every number you enter is considered positive or negative and it keeps a running total.

Let me know if you have any questions.

Good luck.

Paul

Feb 25, 2015 | Sharp "el-2630piii desktop calculator,...

Minus and change-sign are two completely different things. Minus is used to subtract one number from another. When you press minus when the input line is empty, your telling the calculator to subtract. The only way it can subtract the number you're about to put in is to subtract it from something else, and that something else is the previous answer, hence the "Ans."

If you want to input a negative number, use the change-sign key. If you want to subtract one number from another number, use the minus key.

Try pressing the plus key when the input line is empty. You'll get Ans+ in this case as well, The same with multiply and divide, among others, and for the same reason.

If you want to input a negative number, use the change-sign key. If you want to subtract one number from another number, use the minus key.

Try pressing the plus key when the input line is empty. You'll get Ans+ in this case as well, The same with multiply and divide, among others, and for the same reason.

Sep 23, 2013 | Texas Instruments TI-84 Plus Calculator

Use the order of operation rules backward until you isolate x

9(x+8) +10-10< 55-10 : subtract

9(x+8) < 45 : simplify

9(x+8)/9 <45/9 :divide

(x+8) <5 :simplify

x+8 <5 : open parentheses (brackets)

x+8-8<5-8 :subtract

x<-3 : simplify

So, your solution set is the set of all real numbers strictly less than -3 or S=]- infinity, -3[

9(x+8) +10-10< 55-10 : subtract

9(x+8) < 45 : simplify

9(x+8)/9 <45/9 :divide

(x+8) <5 :simplify

x+8 <5 : open parentheses (brackets)

x+8-8<5-8 :subtract

x<-3 : simplify

So, your solution set is the set of all real numbers strictly less than -3 or S=]- infinity, -3[

Sep 16, 2013 | Office Equipment & Supplies

Press the (-) key located just to the right of the decimal point key before entering the exponent. Don't use the - key to the right of the 6 and 9 keys, this is to subtract one number from another. The (-) key is for negating numbers.

Mar 25, 2013 | Office Equipment & Supplies

There's a negative button and a minus button. I think you're accidently pressing the negative button. The actual subtraction button is the red "-" button above the "+" button. I hope this helps, but if all else fails, you can always add a negative!

Apr 16, 2011 | Canon P23-DH Calculator

Hello,

Calculators usually have two minuses, the regular minus sign and the change sign sometimes labeled (-) or (+/-). The latter is not meant to effect a subtraction, but to take the negative of the number you just entered. Big difference, would you say, but the syntax is different.

Ex: 15 - 7 is a subtraction with result 8

10 (-) displays -10 on the screen.

In some calculators the change sign is smaller than the regular minus, and is raised above the main line.

Hope it helps.

Calculators usually have two minuses, the regular minus sign and the change sign sometimes labeled (-) or (+/-). The latter is not meant to effect a subtraction, but to take the negative of the number you just entered. Big difference, would you say, but the syntax is different.

Ex: 15 - 7 is a subtraction with result 8

10 (-) displays -10 on the screen.

In some calculators the change sign is smaller than the regular minus, and is raised above the main line.

Hope it helps.

Oct 05, 2009 | Victor 1208 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

With an adding machine, which is what this is, you enter the number followed by the + or -. If you wanted to add 10+20, you would enter 10 then + then 20 then +. This would show your answer. If you are using the printer and you wish to see the final answer on the paper, hit the * key and your answer will print.

If you are subtracting, let's say 100-40, you would enter 100 then + then 40 then - then *. Adding machines expect you to enter long strings of numbers to total. You may have both positive and negative numbers. So, you always enter the number first followed by either positive + or negative -.

You might have 100 + 25 - 37 - 1 + 50. For that enter:

100+25+37-1-50+ then *

Different than a calculator but the same for all "adding machines". This machine should really be called an adding machine since that is the kind of input it is looking for.

If you are subtracting, let's say 100-40, you would enter 100 then + then 40 then - then *. Adding machines expect you to enter long strings of numbers to total. You may have both positive and negative numbers. So, you always enter the number first followed by either positive + or negative -.

You might have 100 + 25 - 37 - 1 + 50. For that enter:

100+25+37-1-50+ then *

Different than a calculator but the same for all "adding machines". This machine should really be called an adding machine since that is the kind of input it is looking for.

Jan 13, 2009 | Canon P23-DHV Calculator

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