HP32SII function? Wolfgang K. Meister Junior Member Posts: 2 Threads: 1 Joined: Jan 1970 01-21-2009, 08:29 AM hi all, besides my real HP32SII I have downloaded from http://free-de.softonic.de/pocket/scalc.zip a .swf file, compiled it with SWFKit to an .EXE (size 420x720) and having now a nice looking add on to my real HP Calculator on my PC The compiled version has two functions I do not understand: 1. 'm,b' called with a blue button 2. 'x1,y1' called with an orange button Both functions need x1,y1,x2,y2 as an argument. Both functions having x and y as a result Since I am not an expert - can someone please explain to me what the two functions will do? best regards Wolfgang Walter B Posting Freak Posts: 4,587 Threads: 105 Joined: Jul 2005 01-21-2009, 10:40 AM I don't own such a SW calc, but I'd guess "m,b" returns the slope and intercept of a regression line. You may call m and b also a1 and a0 instead, since higher order regression curves will have more parameters. No secure idea of the other button. bill platt Posting Freak Posts: 2,448 Threads: 90 Joined: Jul 2005 01-21-2009, 11:05 AM On the real HP 32sii, go to Rightshift L.R. [LN] and yo uwill see five softkeys: ``` x-carat y-carat r m b ``` The x and y with carat over them are interpolate/extrapolations from linear regression, the r is the regression correlation, the m is the slope of the line (y/x) and b is the y-intercept. Wolfgang K. Meister Junior Member Posts: 2 Threads: 1 Joined: Jan 1970 01-21-2009, 12:31 PM that's it! thanks Bill, thanks Walter « Next Oldest | Next Newest »

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