HP Forum Archive 21

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28S Pi Functionality Message #1 Posted by Matt Fegenbush on 16 Oct 2012, 11:22 a.m. I have reviewed the manual regarding the pi function on the 28S, but what I would like to do is not have to hit ->NUM every time I evaluate an expression containing pi. Is there a way to configure the approximation instead of the function?

Re: 28S Pi Functionality Message #2 Posted by Gerson W. Barbosa on 16 Oct 2012, 12:01 p.m., in response to message #1 by Matt Fegenbush 36 CF does what you want. More at section 24 of the Owner's Manual, page 205. HTH.

Re: 28S Pi Functionality Message #3 Posted by Matt Fegenbush on 16 Oct 2012, 12:53 p.m., in response to message #2 by Gerson W. Barbosa That did the trick, thank you very much.

Re: 28S Pi Functionality Message #4 Posted by Nick_S on 17 Oct 2012, 2:15 a.m., in response to message #1 by Matt Fegenbush One may avoid the need to set the global flag to return numerical values by storing the program << ->NUM>> in a variable named PI. You can then directly evaluate expressions like for example, '2*PI*5^2' or use the solver with symbolic expressions such as '2*PI*R^2' setting R to 5 and solving for EXPR= to obtain a numerical result. Nick Edited: 18 Oct 2012, 3:55 a.m.

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