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Posted on Sep 25, 2009

I can't seem to do simple subtraction with my Victor 1208-2. When I subtract say 5-4, I get a negative 9. Is there a setting or do I need to press something different to get simple subtraction to work?

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sarahsue55

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  • Posted on Mar 23, 2010
sarahsue55
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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.

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  • Posted on Jun 21, 2019
Dom Ewkins
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All the time we think that our work is very difficult but that is not true because some of the time we cannot solve them. If pay some attention on it then we can easily solve this https://essayontime.com.au/write-my-essay-in-australia work. Before doing any work we must have to understand and then trying to solve it.

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Related Questions:

1helpful
1answer

I tried to decrease 9 by 18% and it kept giving me 8.82. That's incorrect. How do I subtract % on my TI-30XIIS

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.
.
0helpful
1answer

How can I get my sharp calculator to add and subtract correctly?

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
0helpful
1answer

Answer always appearing

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.
1helpful
1answer

9[x+8] + 10 < 55

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[
2helpful
1answer

How do i enter a negative exponent on a TI-30XIIS?

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.
1helpful
1answer

I want to do subtraction. But when I enter the "

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!
0helpful
1answer

Every time i punch in 1000 - 500 i keep getting a negative sign in front of my numbers. and the = doesnt work. please help

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.
3helpful
1answer

I have my father's Victor 1212 but no instruction manual.

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

2 +
2 +
the unit will display 4

To subtract

2 +
2 -
5helpful
1answer

Tring to subtract

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.
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