CTRL+B: show/hide scrollbars
CTRL+arrow: move the canvas
CTRL+G/U: group/ungroup objects
CTRL+F1: gradient tool
CTRL+D: duplicate an object

DIALOGS
CTRL+SHIFT+W: swatches dialog (colors)
CTRL+SHIFT+F: fill and stroke dialog (colors)
CTRL+SHIFT+A: align dialog

TRANSFORM KEYS
< > : scale
[ ] : rotate
ALT+transform key: move relative to the scale of the canvas

SELECT OBJECTS
SHIFT+drag: rubberband selection
CTRL+click: select object within a group
TAB: select objects (in z-order)
ALT+click: select through the z-order stack of objects at the click point
ALT+drag: drag object selected with ALT+click

TOOLS
SPACE/s: selector tool
t: text tool
r: rectangle tool
e: ellipse tool
p: freehand
z: zoom
F7: dropper tool (color pick) — SHIFT-click assigns stroke color

Z-ORDER
Home: raise to top
End: lower to bottom
PgUp: raise
PgDn: lower

Insert math symbols
While editing text, press CTRL+U then type the Unicode code of the symbol. A preview is shown in the status bar. Press Enter when finished.
If you save your work as eps, it is recommended that you set the option “convert text to path” to preserve symbols.

Useful symbol codes:

• multiplication dot (LaTeX: cdot): 00B7
• square (LaTeX: ^2): 00B2
• cube (LaTeX: ^3): 00B3
• degree: 00B0
• pi: 1D70B

Overview of all Unicode sets
Latin-1 punctuation
Mathematical Alphanumeric Symbols