+ updated docs to reflect math's filter capabilities.

git-svn-id: svn://busybox.net/trunk/busybox@635 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 5 insertions, 2 deletions

diff --git a/docs/busybox.pod b/docs/busybox.pod
index ff054086e..03875a4d7 100644
--- a/docs/busybox.pod
+++ b/docs/busybox.pod
@@ -1017,10 +1017,11 @@ Usage: math expression ...
 
 This is a Tiny RPN calculator that understands the
 following operations: +, -, /, *, and, or, not, eor.
+If no arguments are given, math will process input from STDIN.
 
 Example:
 
-        $ math 2 2 add
+        $ math 2 2 +
         4
         $ math 8 8 \* 2 2 + /
         16
@@ -1028,6 +1029,8 @@ Example:
         0
         $ math 0 1 or
         1
+        $ echo 72 9 / | math
+        8
 
 -------------------------------
 
@@ -1949,4 +1952,4 @@ Enrique Zanardi <ezanardi@ull.es>
 
 =cut
 
-# $Id: busybox.pod,v 1.39 2000/06/07 21:19:49 proski Exp $
+# $Id: busybox.pod,v 1.40 2000/06/12 23:04:55 beppu Exp $