buoisang

I have seen some messages advertisng their nic following by, I assume, a nic identification. How do I contact that person with that nic ID? Thannks.

I just bought a TI-84 Silver edition graph calculator. I'll familiarize myself with it for a couple of weeks and then give it to my son (8th grader) I'd like to hear your comments on the TI-83/84 series.

What do you like about it?

What don't you like about it?

Your experiences, comments.

Your experiences on other non-TI graphing calculators.

Thanks.

P.S. I never had a graphing calculator when I was in high school or in college. Still have the TI-30 Solar.

I am dring a car at constant speed, say 65 mph, on a freeway.

What Is the wind pressure on the car if

a. I close all the car windows.

b. I open one car window

c. I open all car windows.

I am trying to use as little gas as possible when driving .

Please explain or prove your answer. Thank you.

This is the follow-up on 15 red, 35 blue, 10 yellow and 40 white balls question. Thanks for your answers.

Is there a formula that says P(a,b) = P(a) * P(b)? if so, can it be proved? Is P(b) a dependent or independent event from P(a)? How do I know event b is dependent or independent? Thanks.

Please explain how you arrive the answer. Thanks.