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How do you round numbers so that it affects computation?
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How do I round numbers to the nearest integer from the command line?
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Rounding of nearest 0.5
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Rounding numbers in a table / Truncating text in table
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Is there a function to round a float in C or do I need to write my own?
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How to convert floats to human-readable fractions?
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Why does Java shows extra values after float calculation?
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Round a double to 2 decimal places
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How to cast a double to an int in Java by rounding it down?