Level 00All lessons live

Warm-up math

Just the math you'll actually use, taught with pictures first.

5 lessons · Probability · Vectors · Matrices · Complex numbers

  1. LessonUp next 9 min

    Chances, counted

    What a probability is, why all the chances add up to 1, and what you see when you try something many times.

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  2. Lesson 10 min

    Vectors are arrows

    Arrows you can add, stretch and measure, and the one arrow that is secretly a qubit.

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  3. Lesson 11 min

    Matrices move arrows

    Four numbers that turn, flip or stretch every arrow at once. Every quantum gate is one.

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  4. Lesson 11 min

    Complex numbers without fear

    Numbers that point in any direction, and how they let chances cancel out.

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  5. Checkpoint 6 min

    Checkpoint: math warm-up

    Eight quick questions to lock it all in before you meet your first qubit.

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