I have

>a*x^2-(b+a)*x+b;

right-click the expression and choose Explore.  Skip "x" so we have two sliders (a and b)

Select a=-2 and b=0.  In the Math component, you will have

a*x^2-(b+a)*x+b =-2*x^2+2*x

Now, under the two sliders, I add a PLots component.  My wish is to plot the rhs(%Math). 

 In the plot component properties, I edit the "Action when clicked" and write

 Do(%Plot0=plot(ths(%Math),x=-2..2));

Hi,

Reading about the "Table of Chords" of Ptolemy, I stumbled on something I thought should be easy in Maple.

For example, in the table, I have that the chord length  for 1/2 degrees (with radius 60 of course) = 0;31,25 wiich mean 0+31/60+25/(60)^2=377/720=0.52361.

What I would like to do in Maple is evalf[6](sin(1/2 degree))=0.008728 and then convert the decimal part of the answer into a list so I can do

Hi all,

I have been staring at my screan for an hour and cannot do the following.  I am sure it's trivial but I just can see it.  Please!

Hi everybody,

Here's what I have:

Hi everybody,

I am doing the following: