The ROUND function allows you to round your results to a set number of decimal places.
When we perform calculations, often the result is displayed to a level of precision beyond our needs.
To ensure that a result is only ever displayed to a set level of decimal precision, we can enclose the calculation in a ROUND function and define the number of decimal places, such as 2 decimal places…
…or rounded to a whole number.
A lesser-known ability of the ROUND function is that you can round UP in a “left of the decimal” fashion. This is useful when you are representing very large numbers, but you only need precision to a certain level.
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