Adding a '+' to the end, before the '..' makes it work again, maybe it needs an ... | Hacker News

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vinutheraj on Oct 29, 2009 | parent | context | favorite | on: 1 - 2 + 3 - 4 + 5 - 6 + ... made easy

Adding a '+' to the end, before the '..' makes it work again, maybe it needs an operand and the '..' to show that it is an infinite series, maybe !

http://www.wolframalpha.com/input/?i=1+-+2+%2B+3+-+4+%2B+5+-....

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