favourite 4U topic

[clovvy]

Hey guys this thread is quite random but I am just posting this merely out of curiosity... So for those of you doing 4U what are your favourite topics?
For me personally it goes like this:
1. Harder 3U (especially inequalities and weirder ones like harder binomials)
2. Mechanics (I like resisted motions a lot)
3. Complex Numbers (anything besides vectors)
4. Graphs (you encounter weird and interesting graphs)
5. Integration (not hard and reduction is interesting, but way too mechanical that it gets boring)
6. Volumes (quite interesting but can be confusing)
7. Conics (I don't hate it but can be dodgy)
8. Complex Numbers Vectors (they don't make sense to me)...

So I tend to get marks from what most would brand as 'the harder topics' then the easier ones in assessments...
So if you don't mind sharing yours, than what would that be?

[vikasarkalgud]

Easily integration