i am having statistic on highschool this year. the school uses Texas calculatores.
i believe the casio is better for everything, but today i could not solve the problem
![:(](/dot/public/style_emoticons/default/sad.png)
we where going to draw the strenght graph for one statistic problem. this is what he told us to type in..
Y=normalpdf(-e^99,290.8,X,25/root20)
on the texas they got the perfect graph... all casio users sat as questionmarks...
please help!!