







How many pixels are there to an inch? 
20051015 

From Fred: I want to know how many pixels there are to an inch. Answered by Penny. 





Résolution d'une équation 
20100225 

From sellin: Il faut que j'exprime x en fonction de m dans l'équation suivante et je n'y arrive pas:
3x + 1 = (m1) / 2 * x + (2m + 3) / 5 Answered by Claude Tardif. 





Resolution of the equation f(x)=0 
20000401 

From Naoufal: How can i evalf the equation f(x)=0 with f function . Can you ansear me in french thank you very much Answered by Claude Tardif. 

