| 1. | To check digit calculations : First, convert any non-numeric characters into numbers.
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| 2. | Each track can either contain 7-bit alphanumeric characters, or 5-bit numeric characters.
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| 3. | For check digit calculations : First, convert any non-numeric characters into numbers.
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| 4. | The new format is a 6-digit number, and no longer includes non-numeric characters.
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| 5. | Other types display only numeric characters and optionally a dollar sign.
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| 6. | For instance, line numbers were optional, and permitted non-numeric characters.
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| 7. | The fields could screen for alphabetic or numeric characters, a feature beyond Windows Forms today.
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| 8. | So, is there a tool that non-techies can use for locating a given non-alpha-numeric character?
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| 9. | As a SIP address is text, much like an e-mail address, it may contain non-numeric characters.
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| 10. | Lastly, a numeric character can be added after the aforementioned alphabetic to provide for a sub-sub-designator.
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