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High precision calculator
Description From the Publisher:
High precision calculator is an easy-to-use and very powerful skinnable calculator for all people, especially accountants, scientists and students. You can enter full expression, use named variables and more then 70 functions and operators.
Did you know that by adding a .mailtracking.com at the end of a recipient's email address, you can track if the email has been read, how many times, for how long and even if it has been forwarded and to whom ! Eg : When sending an email to 
