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Open up notepad and type Alt+Numpad 1+ Numpad 6 and this give a character ► But when I type Alt+Numpad 0+ Numpad 1+ Numpad 6 I dont get any character Whats the difference here When I type Alt+2+2+5 I get ß When I type Alt+225225 I get ╔ which corresponding to Alt+201 How is Alt+225225 is same as Alt+201? Thanks | |||
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225225 % 256 = 201 Or, the binary representation of 225225 ends in the binary representation of 201. | |||
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The reason that Alt+Num16 gives you ►, while Alt+Num016 gives you nothing, is so you can access both the characters that are mapped to codes 1 through 31 by IBM PC code page 437 and the control characters in that range of ASCII. You enter a leading zero for the control characters and omit leading zeros for the graphic characters in this set: ☺☻♥♦♣♠•◘○◙♂♀♪♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼ To give this a try, you can type Alt+Num9 for ○ (circle) or Alt+Num09 for Tab and Alt+Num13 for ♪ or Alt+Num013 for Return. Let's just say that the use for ASCII 16 (Ctrl-P) is lost in the mists of time. If you are using a Unicode-compatible application such as Wordpad, entering Alt+Num225225 is the same as Alt+Num28617 (225225 % 65536 = 28617) which is character U+6FC9 or 濉 | |||
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