Matlab/Maple/Mathematica?

I have just installed these great applications and am trying to figure out which product would fit my needs until the end of the trial.

	Matlab	Maple	Mathematica
​length of the trial period	30 days	15 days	15. days
Document mode	-	+	+
​2d/3dPlot	Good	Super	Super
Matrix handling	Super	Super	Super
Expression evaluation	Super	Super	Super
Generate Documents(PDF)	Poor	Super	Superb
​Price tag	119 EUR	295 USD	169 GBP