Study guides
What to learn for each exam, in what order, and roughly how long to give it. Free to read.
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How to plan your study
Revising everything evenly spends most of your time where you are already strong, and leaves the topics that would move your score with whatever is left.
Take a practice test first, find your two worst topics, and give those double the time. Then test again.
Find out what you actually know in five minutes
A guide tells you what to learn. A test tells you what you have not learnt yet, which is the shorter list.
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