diff --git a/GENERATION.md b/GENERATION.md
index 678b2a2..d4a2742 100644
--- a/GENERATION.md
+++ b/GENERATION.md
@@ -6,7 +6,7 @@ It can be generated following the steps below
 
 ## version identification
 
-rpn v2.1 is statically linked against
+rpn v2.2 is statically linked against
 - GNU MP v6.1.2
 - GNU MPFR v3.1.5
 - linenoise-ng v1.0.1
diff --git a/MANUAL.md b/MANUAL.md
index 5b8ca0f..0f492f3 100644
--- a/MANUAL.md
+++ b/MANUAL.md
@@ -1,4 +1,4 @@
-# **rpn** - reference manual
+# **rpn v2.2**- reference manual
 
 **rpn**
 - is a **math-oriented language** inspired by Hewlett-Packard **R**everse **P**olish **L**isp (**HP28S** user manual is provided as a reference), it includes at least **stack**, **store**, **branch**, **test**, **trig** and **logs** commands
@@ -60,14 +60,14 @@ rpn>
 
 ```
 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> 
+Display all 140 possibilities? (y or n)
+nop      test     sci      inv      dec      mod      fp       c->r     <=       same     dup      over     sub      next     while    vars     sneg     cos      ln       exp2
+?        version  +        ^        hex      fact     min      r->c     !=       swap     dup2     ->str    if       step     whil     clusr    sinv     acos     exp      sinh
+h        uname    -        pow      prec     mant     max      p->r     ==       drop     dupn     str->    then     ift      repeat   edit     eval     tan      log10    asinh
+help     type     chs      sqrt     round    xpon     re       r->p     and      drop2    pick     chr      else     ifte     repea    sto+     ->       atan     alog10   cosh
+q        default  neg      sq       sign     floor    im       >        or       dropn    depth    num      end      do       sto      sto-     pi       d->r     exp10    acosh
+quit     std      *        sqr      %        ceil     conj     >=       xor      erase    roll     size     start    until    rcl      sto*     sin      r->d     log2     tanh
+exit     fix      /        abs      %CH      ip       arg      <        not      rot      rolld    pos      for      unti     purge    sto/     asin     e        alog2    atanh
 ```
 
 ## keywords
@@ -114,6 +114,10 @@ rpn>
 |fact|	n! for integer n or Gamma(x+1) for fractional x
 |mant|	mantissa of a real number
 |xpon|	exponant of a real number
+|floor| largest number <=
+|ceil| smallest number >=
+|ip| integer part
+|fp| fractional part
 |min|	min of 2 real numbers
 |max|	max of 2 real numbers
 
diff --git a/src/version.h b/src/version.h
index 5849058..15c96b4 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,5 +1,5 @@
 // version and soft name
-#define RPN_VERSION "2.1"
+#define RPN_VERSION "2.2"
 static const char version[] = RPN_VERSION;
 static const char uname[] =
     "rpn v" RPN_VERSION ", (c) 2017 <louis@rubet.fr>, GNU LGPL v3\n";