wu xianfeng

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About wu xianfeng

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  1. could pdfelement be used to edit/generate formulas?

    thanks for your reply
  2. could pdfelement be used to edit/generate formulas?

    i mean to write/insert mathematical expressions
  3. could pdfelement be used to edit/generate formulas?

    i mean to edit/generate formula
  4. could pdfelement be used to edit/generate formulas? i mean to edit mathematically professional formulas
  5. i want to read original books, but these are too dear for me. so i want pdfelement could let me read ebooks on linux.