Question:
How do I draw a semicircle?
Answer:
There are a few options but probably the easiest way is to use the arc defined by centre and two end points tool.
Question:
How do I draw a semicircle?
Answer:
There are a few options but probably the easiest way is to use the arc defined by centre and two end points tool.
Question:
Can you show me how to shade the area between the curves step by step?

Answer:
FX Graph/Draw can only find integrals between functions and the red curve is a relation. To get what you are after, we need to add a function that FX Graph can use. In this case, the function is y=sr x. Continue reading
Question:
I am trying to align this text box but it keeps jumping as I move it. I cannot place it exactly where I want.
Answer:
As you move things around, FX Draw will lock on to the background grid and objects like your text box will move in 5mm (or your default grid size) increments. This can make it difficult to align things exactly with something already on screen.
The solution is to hold down the Ctrl (control) key as you move things around. FX Draw will ignore the background grid and you can align things to pixel perfection.
Question:
Is it possible to make an opaque background for text?
Answer:
Text/equation boxes can have shading applied. Just select the text box and change the shading using the top toolbar.
Text attached to lines cannot have a shaded background.
Question:
I’m using your gallery image of a rectangular pyramid and working to add details to it. How can I add a dotted line that can serve as an altitude? I can draw the line, but I can’t get the little square sign to hang at the bottom. I’ve tried to draw two short lines to make the square symbol, but it is not working quite right. Do you have any suggestions?
Answer:
I would definitely be using the angle tool.