If you're interested, I've made sin(x) with precision 10^-9 using taylor series. Computation of sin(pi/3) takes 29 ticks.
https://i.imgur.com/42ncxi5.png
0eNrtfe1uHEly7asIBBbXH5S3IvJ7sDagmbFs414tFl7/MGAsBpTU42ksRQr8GOxgoQfwW9xnu09yu5vSkKqsqIjI6mZVVtWfAaYlJZsZGZEnTp6I+OvZ28v7zceb7dXdD2+vr/989s1fHz ...

The same story with lithium-processing which requires chemical-processing-1

Yeah, it's that new mod. Also I play on 0.18.31, future versions are a bit broken as you can see.

No, there's no chemical processing 2 in my tech tree, even if I create a new game.
I kind of cheated by creating a new mod that fixes it.
Here's the save file:

I'm unable do research silicon processing:
https://i.imgur.com/wHMBB17.jpg

It requires chemical-processing-2 that is disabled for the player force, however its prototype is enabled.
I didn't find the exact cause of it, but I assume it's one of Angel's mods since it changes bob's mods, or it may be ...

Game freezes when setting infinity filter to exactly or at most 0 and holding that item under cursor.
Screenshot:
https://i.imgur.com/bs1l2Te.png

Steps to reproduce:
1. Create game
2. Enter /editor
3. Craft any item
4. Select it
5. Click infinity filter slot with that item
5. Click "Exactly" or ...

I placed artillery and then opened the map. It crashed