Update shell startup files.

bash/bash_functions

@@ -53,13 +53,13 @@ showclock() {
 	done
 }
 
-ruler() { 
+ruler() {
 	for s in '....^....|' '1234567890'; do
 		w=${#s}
 		str=$(for (( i=1; $i<=$(( ($COLUMNS + $w) / $w )) ; i=$i+1 )); do echo -n $s; done )
 		str=$(echo $str | cut -c -$COLUMNS)
 		echo $str
-	done 
+	done
 }
 
 up() {
@@ -86,6 +86,6 @@ fnottype() {
 }
 
 # simple calculator
-? () { 
-    echo "$*" | bc -l 
+c () {
+    echo "$*" | bc -l
 }