s0   Zero
1   One
2   Two
3   Three
4   Four
5   Five
6   Six
7   Seven
8   Eight
9   Nine
$A   Ten
$B  Eleven
$C  Twelve
$D  Thirteen
$E  Fourteen
$F  Fifteen
π   Pi (to 9 decimal places)
e   e  (to 9 decimal places)
(    Left Parenthesis
)    Right Parenthesis
.    Decimal Point (or Radix)
:    Separates hh:mm:ss
^   Separates YARDS^ FEET'
'    Separates FEET' INCHES"