BBC NI and CCEA team up to give Northern Ireland pupils access to GCSE past papers on BBC Bitesize

The initial release includes English Language, English Literature, Mathematics and the three single sciences – Biology, ...
BBC

Past papers - CCEA GCSE Maths

You can find more maths past papers and mark schemes on the CCEA website. Papers going back as far as 2018 are available there, in both standard and modified versions ...
science.psu

Department of Mathematics

What began with a focus on weather forecasting has evolved toward addressing errors in scientific modeling. In the collaborative environment of the Penn State Institute for Computational and Data ...
GitHub

a-level

A compiler and stack-based VM for pseudo-assembly as defined in the Computer Science Coursebook for Cambridge International AS & A Level, second edition, by Langfield & Duddell.