Round a divided number in Bash

Round a divided number in Bash

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Shortest command to calculate the sum of a column of output on Unix?

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"Invalid Arithmetic Operator" when doing floating-point math in bash

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Floating-point arithmetic in UNIX shell script

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Subtracting two timestamps in bash script

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BASH: how to perform arithmetic on numbers in a pipe

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Subtracting strings (that are numbers) in a shell script

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Add/subtract variables in a really dumb shell

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Find and execute mathematical expression from an xml attribute and replace the value

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Correct usage of bc in a shell script?

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Array arithmetic in bash

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shell script where bc loses precision

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Negative number in bash shell scripting

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Arithmetic statements in bash if clause

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Addition in awk failing

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