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Many phases require value numbering , an algorithm that identifies similar expressions and gives them a number or name . When generating large print , often a text must be reformatted , and this task is easier when proper coding in the word processor makes the page numbering , margins , line spacing , tabs , etc. consistent . This would all change , of course , if we could only change the 2002 numbers .. Our organization provides educational and social activities , a newsletter in five alternative formats , a toll-free phone number for weekly updates of events and activities , transportation programs , braille transcription , reader services , volunteer referrals , and advocacy services . In 1927 Artin made a major contribution to the theory of noncommutative rings , called hypercomplex numbers at this time . Let me carry with me the hope that I have convinced you of the importance , if not the necessity , of retaining my order and numbering , and my method of treating straight lines , angles , right angles , and ( most especially ) parallels . Be sure to include your name and telephone number for follow up information . They list name , any change of name , and the petition number for each individual . Note that in XHTML you can only use two dashes , instead of the unlimited number allowed by HTML , at the start and end of each comment .