Question about Canon P23-DH Calculator

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Cost..Margin..etc. Can anyone provide the Cost/Sell/Margin steps on the calculator ??... Been doing conversions in "long hand" but I'm sure these three buttons can make life alot easier... Happy Halloween !!! Thanks...

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Download the user manual (P23-DH III) from here:

Posted on Jan 10, 2009

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I am trying to figure out how to use the Cost, Sell, and margin buttons on this calculator...any insight?

I haven't used a calculator with these functions, so let's do a test.

I'm guessing is it for doing basic accounting. The equation is Sales - Costs = Gross Profit and maybe Gross Profit / Sales = Gross Margin.

If we enter 100 in sell, 40 in cost, does the margin come out to be 60 or 0.6? If it comes out to 60, the margin is the Gross Profit. If it comes out to 0.6, then the margin is Gross Margin.

Good luck,


May 12, 2016 | Office Equipment & Supplies

1 Answer

How does new paper go in

fold the paper about half inch down and feed in along fold

Mar 14, 2016 | Casio HR-100TM Two-Color Printing...

1 Answer


On the calculator there are conversions of capacity (gallons (US or UK) to liters, liters to gallons (Us), gallons(UK) but there are no conversions from ft^3 to m^3. However you have the basic conversions from in to cm, cm to in, yd to m and m to yd. That is all you need.
To use the calculator to perform a conversion from ft to meters, you enter the number of feet, you press [SHIFT][8] (Conv).
The calculator prompts you to enter a number between 01 and 40. Each number corresponds to a particular conversion. In this case you enter 03
For example convert 3 ft to meters.
Enter 3
Press [SHIFT][8] (Conv)
Prompt: CONVERSION Number 01--40
You enter 03 (ft to m) and press [=]
Calculator displays 3 ft >m, and on the second line 0.9144
Thus 3 ft=0.9144 m
Once you know how to convert one unit of length to another, you get the volume by raising conversion to the 3rd power.
For this to work, you must convert all dimensions to the same unit.

Oct 28, 2013 | Casio FX-115ES Scientific Calculator

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I must not understand what a margin is so could someone explain, the instructions give this example: If I purchase something for $2000 and want to make a 20% profit I would need to sell it for $2500 (2000...

I think you should refer to you definitions. The 20% is called the markup. The profit margin is calculated with respect to the revenue. So you should divide the 400$ by 2400$ to get a net profit margin of 400/2400 =0.1667 or 16.67% (And we are not taking into account the taxes).

Margin = Markup /(price + Markup)
Markup = Margin* (Price +Markup)
Markup = Margin*Markup + Margin* Price
Markup*(1-Margin) =Margin*Price
Markup = Margin*Price/( 1-Margin)
For Price =2000, Margin =0.2 (that is 20%)
Markup = 0.2*2000(1-0.8) =0.2*2000/0.8
Markup = 2000*(0.2/0.8)= 2000*0.25 = 500

Thus to have a (net) profit margin of 20%, an item costing 2000$ must be marked up by 500$.

Try not to reason with numbers. Write the defining relation and use algebra to isolate for the variable you seek.

Hope it helps.
Thank you for using Fixya and for rating this solution.

Nov 30, 2009 | Canon P23-DH Calculator

1 Answer

I have an EC-100 S Ibico Calculator. How do I use the GPM button to calculate margin?


For GPM on ibico EC-100 S:

Enter Price
Hit Minus Key
Enter Cost
Hit GPM Key to get GPM

Oct 07, 2009 | Ibico EC-100S Calculator

2 Answers

How do I use the Cost/Sell/Margin function on my Canon P100-DH 2 desktop printing calculator? Please for the love of god help me.

Cost/Sell / Margin can be very confusing it uses the following Account formulas (For Cost = Selling price - ( Selling price / Markup) For Sell = Selling Price =Cost / (1-Margin%))

It is not a pure percentage. Please respond back if you have any other questions.

Apr 22, 2008 | Office Equipment & Supplies

1 Answer

Instructions on How To Use a Calculator

Ok I looked for ages for how these keys work and once you knwo how it is quite simple.

say something costs 100, enter 100 then press the cost button
say you want a margin of 25% then enter 25% and press the mgn button the result is the selling price 133.33

So to reverse it enter 133.33 press the sell button
Enter 25% and press the mgn button
result is 99.99 cost price (100) bar a cent/penny

and finally to work out margin

enter 100 press cost button
enter 133.33 press sell button
result is 24.99 which is the percentage margin

Simple isn't it

Oct 18, 2007 | Office Equipment & Supplies

4 Answers

Determine Selling Price doesn't work

The computer is not broken and is correct saying what the sales price is. If you work backwards from selling price and take 20% off, then you get 29.24. The program is a generally accepted accounting principle (GAAP) that has markup not from cost, but from retail. You have been doing it wrong all these years and have been giving your customers a better deal. Play with the numbers and you will see what I mean.

Sep 25, 2006 | Office Depot KS-1000 Calculator

1 Answer

Lost my manual

Jan 07, 2006 | Aurora Electronics HC212 Calculator

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