The difference between Round down and Truncate
When used as verbs, round down means to round (a number) to the greatest integer that is not greater than it, or to some other lower value, especially a whole number of hundreds, thousands, etc, whereas truncate means to shorten (something) by, or as if by, cutting part of it off.
Truncate is also adjective with the meaning: truncated.
check bellow for the other definitions of Round down and Truncate
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Round down as a verb (transitive, arithmetic):
To round (a number) to the greatest integer that is not greater than it, or to some other lower value, especially a whole number of hundreds, thousands, etc.
Examples:
"The total is $25,715, but to keep the figures simple, I'll round it down to $25,000."
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Truncate as a verb (transitive):
To shorten (something) by, or as if by, cutting part of it off.
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Truncate as a verb (mathematics, transitive):
To shorten (a decimal number) by removing trailing (or leading) digits.
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Truncate as a verb (geometry):
To replace a corner by a plane (or to make a similar change to a crystal).
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Truncate as an adjective:
Truncated.
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Truncate as an adjective (botany, anatomy):
Having an abrupt termination.