, deduct that 10% and you get the original price of 100. With margin, in this case, 10% of the new price = 11.11111. So the calculators are not incorrect, they are doing different things.ġ0% margin on 100 is (100)/(1-.1) = 111.111111 Some are applying percentage markup and some are applying percentage margin. The calculators are not making a mistake. I can see why some calculators are giving 111.1111 for % and some 110 for 100 % 10. So back to using the no-brands and a few handy Sharp ones. Heh, funny I should stumble across this thread, as it's something that also has been noticed at work when we got a few Casio hand calculators for on-the-go price calculations, always using the same process you've used with other calculators with no issue. If you are unfamiliar with where these crucial keys are on the calculator, take time to understand where they are. Is this something unique to Casio calculators,is the problem responsible for global downturn. Calculator Features Doing basic calculations (adding, subtraction, multiplying, dividing, exponent, radical, logarithm) that are otherwise time consuming is an invaluable use of your calculator. I then went around and tested the theory on other Casio calculators within our company and got the same result 100+10% comes out at 111. To prove to myself that the Casio answers were wrong i done some simple maths 100+10% the Casio gives me an answer of 111.11111,i tried on several other brands and all have given me the answer i expect of 110. I then went and borrowed another calculator and done the same calculations i got a different set of answers.
I had been working out some figures for a work related item and couldnt find my normal calculator so i borrowed a colleagues and started using it,i was working out the addition of a percentage onto some figures,after a while i discovered that the numbers didnt make sense to me. I couldnt find somwhere more appropriate to post this but if there is please move it.
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