Hello! Recently I was in the store and I forgot my phone at home and I needed to calculate the cost of the product. So I thought about getting a percentage calculator next time. I think a lot of people need an interest calculator. Do you use one in stores or know how to calculate discounts in your mind?
I never even thought about that question. I wonder what other people have to say about it.
What app do you use on your phone to calculate discounts in stores? I understand that to find out the original cost you need to multiply the price at a discount by the percentage plus 1?
I think most people can do simple percent calculations in their mind and, if they can't, they likely won't think to use a calculator in the first place.
Never once in my life have I had to calculate compound interest on the spot in stores or shopping malls. Most of the time I had to do this kind of calculations when I was at my computer and did everything with the help of Excel or other software products. But I think it would be nice to have something similar on my phone.
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