Computer Science guides
Long, specific guides to the parts of the syllabus that actually decide grades. Written from both sides: the exams I sat, and the software I build for a living. Free, no sign-up.
Guide · updated October 2026
OCR Exam Reference Language
The complete syntax reference, every construct with a worked example, side by side with Python, and the places the notation quietly costs marks.
Guide · updated September 2026
A-Level NEA project ideas
Eleven project ideas that clear the mark scheme, five popular ones that quietly do not, and the AQA skills worth 27 marks on their own.
Guide · updated October 2026
Pseudocode across exam boards
OCR, Cambridge 9618, AQA and Python side by side: every construct from the boards' own guides, the slips examiners penalise, and one-page cheat sheets.
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