Video help files: example addition subtraction multiplication #division# parenthesis signed parenthesis creating numbers strategies
Static Help: 23-15 274+162 25-18 12*12 324/18 (5+2)*3 -(5-10) 9998 => 9998+2-2 98*98
Download page direct download
Animated help files: Playing with nummòlt: Signed parenthesis

Negative signed parenthesis are red. Positive signed parenthesis are gray.

© 2010 Maurici Carbó Jordi of
Video help built and converted to swf with: CamStudio: