A little curiosity.
Infinite
possibilities.
Turn a circle into a wave. Watch a proof unfold.
Explore the mathematics behind the equations.
Mathematics you can
put your hands on.
A twisted strip. A plane transformed. A pattern hidden in randomness. Step inside and make the next move.
Enter the gallery ↗
01 idea. One unexpected twist. ↗Beautiful questions.
Unexpected connections.
Building a wave from waves
Add odd harmonics to approach a square wave.
FoundationExplore →Vector fields
Assign a direction and magnitude at every point.
AdvancedExplore →Why a² + b² = c²
Rearrange four triangles to reveal a timeless proof.
FoundationExplore →Don’t just believe it.
See why it’s true.
Four triangles. A growing square. An infinite sum. Step inside ten visual arguments, one clear step at a time.
Enter the proof gallery ↗Find your corner
of mathematics.
Start where you are.
See where your curiosity takes you.
Algebra
The language behind every curve.
Geometry
Reason with shapes, space, and proof.
Trigonometry
Circles become waves.
Precalculus
A bridge to new ways of thinking.
Calculus I
Meet change and accumulation.
Calculus II
Add infinitely many possibilities.
Calculus III
Take your intuition into space.
Linear Algebra
See what a matrix really does.
Curiosities
Follow a question somewhere unexpected.
Hi, I’m Bora.
I like making math visible.
I started making math animations because some ideas are easier to understand when you can see what’s happening. Integral4U takes that a step further: now you get to move things yourself.