However, there are some limitations of the IEEE 754 specification that fall into three general categories: Therefore, this number is rounded down by approximately -2.8E-17 when it is stored. This number cannot be represented in a finite (limited) amount of space. However, the same number in binary format becomes the following repeating binary decimal: For example, the fraction 1/10 can be represented in a decimal number system as 0.1. When numbers are stored, a corresponding binary number can represent every number or fractional number. The 754 standard is used in the floating-point units and numeric data processors of nearly all of today's PC-based microprocessors that implement floating-point math, including the Intel, Motorola, Sun, and MIPS processors. It is popular because it allows floating-point numbers to be stored in a reasonable amount of space and calculations to occur relatively quickly. The 754 specification is a very widely adopted specification that describes how floating-point numbers should be stored in a binary computer. IEEE is the Institute of Electrical and Electronics Engineers, an international body that, among other things, determines standards for computer software and hardware. Microsoft Excel was designed around the IEEE 754 specification to determine how it stores and calculates floating-point numbers. This may affect the results of some numbers or formulas because of rounding or data truncation. The result is $112.79.This article discusses how Microsoft Excel stores and calculates floating-point numbers. The result is 0.8, which is then multiplied by the price of the cellphone in cell B2, $140.99*0.8. Cell C2 contains the number 20% equal to the 0.2 value. Number 1 is subtracted by the percentage discount. The Formula =number*(1-percentage_decrease)įirst, Excel will calculate the formula (1-C2). To find out the price after the discount, the discount percentage must be deducted by number 1 the new result is multiplied by the price to get the price after the discount. If you directly multiply the price and the discount, then you got the discount value, not the price after discount. The given percentage is the discount percentage. What is the price of each cell phone after the discount? The result is $140.99 * 1.2 = $169.19 Subtract Percentage in Excel
The result is 1 + 20% = 1.2, then multiplied by the price of a cellphone. That is why it must be added with number 1. If the percentage of the discount is directly multiplied by the price, then you got the increased value, not the price after the increase. Why should the discount percentage add to the number 1? The Formula =number*(1+percentage_increase) You can use the multiplication and addition formula to get prices after a percentage increase. What is the price of each cell phone after the price increase?
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