Question
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?
Answer
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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