How do I remove any line study

[RAVI]

How do I remove any line study in Stockalyze ?

Also if I select parallel lines, dow do I stop it after the first set of lines?

[Sacha]

How do I remove any line study in Stockalyze ?

When you hover mouse cursor on any annotation, e.g. line study, you will notice that cursor turns black arrow. Then click on it and then hit Delete button on your keyboard.

Also if I select parallel lines, how do I stop it after the first set of lines?

You can hit Esc button on keyboard to stop drawing any more parallel lines.