What would you say is the best laptop to use for university? Implying that you already have a desktop to use outside of lectures/ seminars etc.
ultraportable, preferably with digitizer pen so you can write equations and draw graphs.
If you're on a budget and can't afford a surface or thinkpad yoga, you can get this:
Also, if you buy this, don't pay for the +$60 pen bundle. There are lots of $8 Wacom compatible pens on Aliexpress
Plenty of cheap i5 128GB ones for cheap on eBay and Cowboom
You can get a 128GB microSD for $60 on sale
Make sure if you buy from Cowboom, to get ones that include the pen. Otherwise, it's $25 for one on ebay.