WP 34S Richard Berler Unregistered Posts: 109 Threads: 38 Joined: Dec 2012 03-08-2013, 10:53 PM Just realized how easy it is to call f '(x) in a solve routine! Boy does that make f '(x) useful in finding f(x) max/mins! So cool...and you can take the value in the x register to find f(x), and use that same x in the f ''(x) function to determine max or min! Way cool for a pocket machine. Walter B Unregistered Posts: 4,587 Threads: 105 Joined: Jul 2005 03-08-2013, 11:45 PM That's Pauli's merit. d:-) Paul Dale Unregistered Posts: 3,229 Threads: 42 Joined: Jul 2006 03-09-2013, 12:01 AM You can freely nest calls to solve, integrate, f', f", sum and product with each other and even with themselves. Thank Marcus for implementing the proper nesting of these. When I implemented them originally they didn't nest at all. With the addition of the local register code these function could be nested. - Pauli « Next Oldest | Next Newest »

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