Question about Sharp EL-1801AII Calculator

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Manual Someone gave me this adding machine but I have no idea how it works to just add and subtract for starters. I need a manual

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  • mknoch67 Jul 25, 2008

    Someone gave me a SHARP EL-1801AII adding machine but I have no idea how it works to just add and subtract for starters. I need a manual. Can anyone help me?

  • Lynarnone61 Feb 04, 2009

    i have the sharp el-1801 a and cannot put paper through the feed. Lost the original manual. can someone help me

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

Posted on Feb 27, 2010

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My TI-5130 will not add and subtract


It probably uses adding machine logic. Try the following example.


3+
4-
5+
*

You should get 3, -1, and 4 on the screen, the running total. The tape should show the +3, -4, +5, and finally 4, the numbers that you entered and the total. Think of each entry as adding/subtracting integers on a number line rather than 3+4-5;)

Let me know if you have any questions.

Paul

Feb 04, 2016 | Calculators

1 Answer

What are the setting for simple addition and subtraction. I also need it to print it for me


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

Sep 23, 2015 | Sharp EL-1801P Calculator

1 Answer

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

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

1 Answer

Luke wants to find the difference 175 - 134. He has subtracted the hundreds and tens so far. What is the sum of the two numbers he has subtracted? How much does he still need to subtract?


SUM means adding not subtracting. so if you were wanting to add the total (the sum) of the amounts of the hundreds and the tens would be 170 plus 130 which would be 300 but the remainder from subtracting 130 from 170 would be 40. That would leave the single units 5 minus 4 of which the remainder is 1. So, the remainder from subtracting 134 from 175 is the reminder of subtracting the one hundred from the one hundred which is zero added to the remainder of subtracting the tens (70 minus 30) which is the remainder of 40 plus the remainder of subtracting the units of 5 minus 4 which is 1. So you need to add the 0 and the 40 and 1 which is the remaining sum of 41.

Sep 19, 2014 | Calculators

1 Answer

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.

Feb 06, 2011 | Canon Calculators

1 Answer

How to add figures and then subtract from a larger number


use the + key after each number to add the total will appear on screen. When all numbers have been added, enter number to subtract and then press - key. The subtracted number will appear in read on the paper (if two color). and then press the star key to get total.

Jul 08, 2010 | Canon P23-DHV Calculator

1 Answer

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?


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

1 Answer

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.

Jan 13, 2009 | Canon P23-DHV Calculator

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)

Oct 14, 2008 | Texas Instruments TI-89 Calculator

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