How Our Algorithm Helps You Work Smarter
Your own AI-powered revision coach — trained on how learning actually works.
What is spaced repetition?
Spaced repetition is a learning technique proven by cognitive science: the best time to review something is right before you're about to forget it. This approach improves memory retention and reduces wasted time. But timing every review perfectly is nearly impossible without help — which is where our algorithm steps in.
As you answer questions, our system learns how you learn—adapting in real time to build a study plan that targets your weak spots. Powered by spaced repetition, it locks knowledge into your long-term memory and helps you retain more with less effort.
No guesswork. No cramming. Just results
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How Our Algorithm Works
Our algorithm tracks 10 data points from every question you answer, including:
Whether you got it right or wrong
Specifically, how accurate you were in answering the question
Your confidence rating
When you begin your journey, we use your self-assessed score for each topic — factoring in how long ago each rating was given.
How long you took to answer
We track how long you spend on each question to assess confidence and fluencythe
Your marks per minute ratio
We track how quickly you were able to answer questions correctly. In the IB you should be aiming for 1 mark per minute
Spacing between previous reviews
We use the Forgetting Curve to optimize when topics should resurface in your schedule
Question difficulty
Was the question easy, medium, or hard? Your performance is weighted accordingly.
and more... but we can’t give away all our secrets 🤫
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Complete your study profile
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Start answering questions
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Algorithm collects data
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Get Smart Suggestions
The result?
You study less – and learn more
Instead of repeating questions you already know or wasting time on random topics, our algorithm focuses on the questions you're most likely to forget, or that need the most work. It’s like a playlist that adjusts to your performance, helping you lock in what matters most.
Do you want to join the beta?
Be one of the first to try FortyFive. Get early access, shape the future of smart revision, and help us build the best tool for IB students.
