<p>Anyone know of any? </p>
<p>Oh yeah would it be a good idea to put in formulas into my calculator? I didn’t memorize all those surface area formulas and stupid diagnols in 3 dimensional shapes. </p>
<p>And for Physics, oh boy, quite a few formulas I do not know.</p>
<p>You can’t use a calculator for Physics.</p>
<p>And I don’t think it is fair to store all the formulas in the calculator like that…</p>
<p>actually, i dont think programs are that helpful. i actually think im really pro at calculator lol.
u have to know how to use the “intersect” function, in “2nd trace”, and u have to know what it means.
say, sin (2x) = 2cos(3x)
how would u solve this?
I would do 2 ways.
method/trick 1: sin (2x) - 2cos(3x) = 0 , this can be done using the solver function, however,if there is more than 1 answer,u’re screwed. lol.
method/trick 2:
Y1 = sin (2x)</p>
<h2>Y2 = 2cos(3x), find the point of intersection, this means that when u plug in a certain X, to both equations,u can the same Y,for both. so yeah.</h2>
<p>have fun.</p>
<p>^Just graph sin(2x)-2cos(3x) and find the zeros using the 2nd Calc button and choose “zeros.”</p>