Handle	Pupose	Handle	Object	Storage
1	x > < button	1	x > < button	stack of X-limits before zoom in
2	x < > button	2	x < > button	
3	x [ ] button	3	x [ ] button	X zoom full limits
4	y > < button	4	y > < button	stack of Y-limits before zoom in
5	y < > button	5	y < > button	
6	y [ ] button	6	y [ ] button	Y zoom full limits
7	xy > < button	7	xy > < button	
8	xy [ ] button	8	xy < > button	
9	x - - edit	9	xy [ ] button	
10	y - - text	10	<<< button	Pan 'on' or 'off'
11	delta edit	11	>>> button	Pan 'on' or 'off'
12	delta text	12	=== button	Pan 'on' or 'off'
13	x - . edit	13	<- button	Pan 'on' or 'off'
14	x - . text	14	-> button	Pan 'on' or 'off'
15	'Q' button	15	'Q' button	
16	'T' button	16	'T' button	Toggable line handles
17	xy < > button	17	'S' button	'zoomed' line handle
18	'S' button	18	x - - edit	'zoomed' axes handle
19	<<< button	19	y - - text	'zoomed' axes handle
20	>>> button	20	delta edit	'zoomed' axes handle
21	=== button	21	delta text	'zoomed' axes handle
22	xfactor	22	x - . edit	'zoomed' axes handle
23	xmin	23	x - . text	'zoomed' axes handle
24	xmax	24	- - vertical cursor line (1001)	
25	min(y)	25	- - horiz cursor line (1002)	
26	max(y)	26	- . vertical cursor line (2001)	
27	<- button	27	- . horiz cursor line (2002)	
28	-> button	28		xfactor
29		29		xmin inside current limits
30		30		xmax inside current limits
		31		ymin inside current limits
		32		ymax inside current limits
		33		min(x)
		34		max(x)
		35		min(y)
		36		max(y)
