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Have you, Excel enthusiast, ever imagined that Microsoft Excel could calculate incorrectly? Well, in this lesson we will explore this possibility and understand how this can happen. We received a comment about a curious situation involving Excel 2016 and Windows 10. It showed us that Excel can make a mistake in a case where the sum of numbers was not resulting in zero as expected. Let's analyze this scenario together. The problem occurs when we enter the number 0.6 in cell A1, -0.6 in cells A2 and A3, leave cell A4 empty and apply the formula for summing A1 to A4 in cell A5. Initially, the result is zero, as expected. However, when filling cell A4 with the number zero, the sum in A5 does not remain zero. What is happening? This discrepancy in the results is related to Excel's use of floating-point arithmetic. Floating-point numbers are stored in binary format, which can lead to rounding errors. Excel uses the IEEE 754 standard for this type of calculation, aiming for efficiency and speed, but in some cases this can result in inaccuracies, as we see here. This inaccuracy is a compromise between speed and accuracy that Excel had to make. For most users, these differences may go unnoticed, but it is important to be aware that these errors can occur, especially in calculations involving decimal places. So, yes, Excel can make mistakes, although it is rare. Understanding these concepts helps us deal with situations like this and improve our projects. If you want to know more about the world of Microsoft Excel or join our WhatsApp group, check out the QR Code that appears at the beginning and end of the class. I hope this explanation has cleared up your doubts and that you continue following our content. Don't forget to like, subscribe to the channel and activate the bell so you don't miss any news. See you in the next class! Keywords: Microsoft Excel, calculation error, floating point, IEEE 754, arithmetic, precision, speed, inaccuracy, decimal places, calculation error Want to master Excel and go further? Check out my VBA Master Code training! ????VBA Master Code Training https://pay.hotmart.com/O53919691D?of...