Re: reverse polish notation

*To*: mathgroup at smc.vnet.net*Subject*: [mg73099] Re: [mg73099] reverse polish notation*From*: Andrzej Kozlowski <akoz at mimuw.edu.pl>*Date*: Sat, 3 Feb 2007 04:04:04 -0500 (EST)*References*: <200702021023.FAA08809@smc.vnet.net>

On 2 Feb 2007, at 11:23, cap'n rye wrote: > Is there a way to extensively use postfix notation for input in > Mathematica? I know you can enter F[x] as x//F, but I can't seem to > make it work for multiple arguments. For example N[Sqrt[7]] can be > input as 7//Sqrt//N, but I can't figure out how to input N[Sqrt[7],30] > or even Plus[3,5]. Is this type of input not really supported? Is > there a way to work around it? Thanks for your help. > The ony way I can see of doing this is by using Sequence: Sequence[2,3]//Plus 5 which seems to defeat the purpose of doing it in the first place. But you can use infix form: 2~Plus~3 5 which has essenitlaly the same advantages. Andrzje Kozlowski

**References**:**reverse polish notation***From:*"cap'n rye" <jacksiegrist@yahoo.com>