HP 430se - Manual (Page 125)

Appendix A | Jot Character Recognizer | 119
A horizontal line drawn from left to right is recognized as a
space character in the letter area of the input panel, and as a
dash in the number area.
Numbers
Character Stroke options Character Stroke options
0 5
1 6
2 7
3 8
4 9
Punctuation
Character Stroke options Character Stroke options
( /
) ^
= %
+ .
*
Editing
Character Stroke options Character Stroke options
undo paste
cut
carriage
return
cop dash -