• Zoom – Ctrl + 1

• Draw – Ctrl +2

• Ctrl + Z – Erases last drawing

• E – Erase all

• Space Bar – centers cursor

• Pen width – Ctrl + arrow keys

• Red – r

• Yellow – y

• Green – g

• Blue – b

• Orange – o

• Pink – p

• Line – Shift

• Rectangle – Ctrl

• Ellipse – Tab

• Arrow – Shift + Ctrl

• Sketchpad – white (w); black (k)

• Copy – Ctrl + C;

• Save – Ctrl + S

• Timer – Ctrl +3

• Increase/Decrease Time – Arrow keys

Tutorial