Use Turbo Mode (Shift + Green Flag) for no lag It is smoother w/o turbo but a little slow. This is a trigonometry calculator. I'm still working out the bugs and I will try to make it more precise in the future.
Thanks to my brother (who is much better than me on scratch) for helping me quite a bit. Follow him @ https://scratch.mit.edu/users/JRB06/ This project is almost 100% pen.