". |. '2 3 5 7 9 .= q' 9 7 5 3 2 ". |. 'q /+' 26
2008/6/27 Jack Andrews <[EMAIL PROTECTED]>: > hi guys, > > i was pondering the benefits pros and cons of a left to right > notation. common calculators go left to right - 1 + 2 * 3 is 9. is > the fact that common calculators operate this way due to "common > sense" or an innate intuitiveness? > > so ordinary J: > > q=. 2 3 5 7 9 > > 1 + 2 * q > 5 7 11 15 19 > > > then a left to right J could be: > > 2 3 5 7 9 =. q > > q * 2 + 1 > 5 7 11 15 19 > > > =. q may be the most offputting here, but this is just how a common > calculator works -- the "M+" key. > > ta, jack > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Björn Helgason, Verkfræðingur Fugl&Fiskur ehf, Fornustekkum II, 781 Hornafirði Po Box 127,801 Selfoss , t-póst: [EMAIL PROTECTED] gsm: +3546985532 Landslags og skrúðgarðagerð, gröfuþjónusta http://groups.google.com/group/J-Programming Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans góður kennari getur stigið á tær án þess að glansinn fari af skónum /|_ .-----------------------------------. ,' .\ / | Með léttri lund verður | ,--' _,' | Dagurinn í dag | / / | Enn betri en gærdagurinn | ( -. | `-----------------------------------' | ) | (\_ _/) (`-. '--.) (='.'=) `. )----' (")_(")
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