rpn - Reverse Polish Notation language

a lisp-based math language using polish notation

rpn> 1 2 + 2 sqrt
2> 3
1> 1.4142135623730950488

with arbitrary precision

rpn> 256 prec 200 std
rpn> pi 3 * 4 / cos
-0.70710678118654752440084436210484903928483593768847403658833986899536623923105962592591087473479525356117497671223960240783675485777817360566073272153486395308799122357513534343724299243077135552002446

providing variables, programs

rpn> << rot * swap 2 / chs dup sq rot - sqrt >> 'quad' sto
rpn> << -> x y << x y + ln >> >> 'P' sto

and a bunch of functions

rpn> 
Display all 128 possibilities? (y or n)
!=       ->       >        acosh    atan     cosh     drop     e        exit     for      ifte     max      not      pos      r->d     rot      sinh     sqrt     sto+     tan      unti     xor      
%        ->str    >=       alog     atanh    d->r     drop2    edit     exp      h        inv      min      num      pow      rcl      round    sinv     start    sto-     tanh     until    xpon     
%CH      /        ?        alog2    chr      dec      dropn    else     exp10    help     ln       mod      or       prec     repea    same     size     std      sto/     test     vars     
*        <        ^        and      chs      default  dup      end      exp2     hex      log      neg      over     purge    repeat   sci      sneg     step     str->    then     version  
+        <=       abs      asin     clusr    depth    dup2     erase    fact     if       log2     next     pi       q        roll     sign     sq       sto      sub      type     whil     
-        ==       acos     asinh    cos      do       dupn     eval     fix      ift      mant     nop      pick     quit     rolld    sin      sqr      sto*     swap     uname    while    
rpn> 

Manual

A reference manual is provided here

Installation

Installation packages are provided in deb, rpm and tar.bz2 formats

download .deb

download .rpm

download .tar.bz2

Generation

Generation instructions can be found here

Contact

Please email me at louis@rubet.fr

You can use github issues too