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Date rolling
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<h2 id="see-also">See also</h2> <ul><li><a href="/facts/Day_count_convention/AmNkws1l">Day count convention</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://sourceforge.net/projects/jfin/">jFin</a> pure java open source implementation of financial date arithmetic</li></ul>