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Timeline for Why Does "X" Represent the Unknown?

Current License: CC BY-SA 3.0

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Jun 11, 2014 at 11:59 comment added Son Do Lenh The X for closing is actually the "cross" sign, not the letter X. They may look similarly though.
Jun 11, 2014 at 11:52 comment added That Realtor Programmer Guy @JonSpr wouldn't you say the same for X ? While it can represent an open variable, it also means close to a lot of folks. (Plus, when you need the help feature, it is usually for things that are unknown to you)
Jun 11, 2014 at 11:35 comment added JonSpr The question mark however, often stands for 'help'. So this doesn't work in all contexts.
Jun 11, 2014 at 11:20 history edited gmorais CC BY-SA 3.0
added 140 characters in body
S Jun 11, 2014 at 11:06 review Low quality posts
Jun 11, 2014 at 11:21
S Jun 11, 2014 at 11:06 review First posts
Jun 11, 2014 at 12:45
Jun 11, 2014 at 10:49 history answered gmorais CC BY-SA 3.0