On Fri, Mar 29, 2002 at 21:56:58 -0800, Craig Dickson wrote: > Well, let's see. I have two cheap calculators right here, one a nearly > 20-year old Casio FX-115 scientific calculator, and the other a fairly > new Texas Instruments TI-1795SV (four-function with memory). Both are > infix, not RPN. > > Casio: 1+2*3=7 > TI: 1+2*3=9 > > I suspect that "scientific" vs. "four-function" is the distinction here.
No, I've already seen 4-operation calculators that followed the precedence rules. > The scientific calculator has parenthesis buttons to facilitate entering > complex expressions, while the four-function does not. In fact, you don't need parentheses for sumple expressions like the above one: 1+2*3= gives 7 1+2=*3= gives 9 -- Vincent Lefèvre <[EMAIL PROTECTED]> - Web: <http://www.vinc17.org/> - 100% validated (X)HTML - Acorn Risc PC, Yellow Pig 17, Championnat International des Jeux Mathématiques et Logiques, TETRHEX, etc. Work: CR INRIA - computer arithmetic / SPACES project at LORIA -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
