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Since on Test #1 we are given many formulas we did not need for that test specifically, I think we can assume h bar will not be specifically given. The formula sheet does include the value of Planck's constant and pi so you can easily use that information and your knowledge of h bar to find the value needed.
h-bar is used because it is a common value for use with the Schroedinger equation. is a derived quantity in the Heisenberg equation, but it is not represented with a special character because it does not show up as commonly in quantum mechanical equations compared to h-bar.
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