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    Fraudulent Callers - protect yourself and report it​

    Learn what to do if you are contacted by fraudulent callers posing as HP representatives. This could be a scam; do not provide any personal information.

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HP 9S Calculator - Order of Operations

The HP 9S calculator performs calculations in the following order of precedence:
  1. Operations in parentheses.
  2. Functions that require pressing the function key before entering a value, for example, DATA in statistics mode, and EXP.
  3. Functions that require values to be entered before pressing the function key. Some examples are cos, sin, tan, cos-1, log, ln, x2, x-1, RND, ENG, and the unit conversion fractions.
  4. Fractions.
  5. +/-.
  6. xy, .
  7. nPr, nCr.
  8. ×, ÷.
  9. +, -.

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Support Forum

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Country: Flag United States

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