LIVE · INTERACTIVE · MATHEMATICS

Mathematics,
made tangible.

Pull a vertex. Bend a curve. Watch the numbers answer back in real time. MATHS is a handcrafted field guide to the shapes, functions, and logic that quietly run the world.

Open the playground See a worked solution
n = 12 vertices
ω = 0.7 rad/s
r(t) = R + Σ sin(ωt + φᵢ)
continuous morph
∫ π ∑
geometryalgebracalculustopologynumber theorytrigonometryanalysiscombinatoricsgeometryalgebracalculustopologynumber theorytrigonometryanalysiscombinatorics
01 — PLAYGROUND

Drag the vertices.
Read the triangle.

Every side length, every interior angle, the area — all of it recomputed the instant you move a point. Geometry as a living instrument.

SVG · DRAGGABLE click + drag any vertex
G
LIVE READOUTS heron's formula
side a
—px
side b
—px
side c
—px
perimeter
—px
∠A
—°
∠B
—°
∠C
—°
area
—px²
classification
— waiting for input —
02 — PLOTS

A polynomial
that obeys your fingers.

Four coefficients, four sliders. As you move them, the curve redraws, the roots migrate, and the extrema hunt for new hiding places along the x-axis.

f(x) = ax³ + bx² + cx + d x ∈ [-5, 5]
PARAMETERS range [-2, 2]
0x³ + 0x² + 0x + 0
cubic term a 0.30
quadratic term b -0.50
linear term c -1.50
constant d 1.00
y-intercept1.00
discriminant—
real roots—
critical pts—
03 — QUIZ

Five questions.
Immediate feedback.

Pick an answer and the card flashes mint when you're right, coral when you're not. No grades, no timers — just the quiet satisfaction of knowing.

completed 0/5
correct 0
accuracy —
04 — SOLUTIONS

One problem.
Revealed step by step.

Mathematics is mostly about the path, not the answer. Walk through the quadratic formula one move at a time — at your own pace.

WORKED EXAMPLE · QUADRATIC FORMULA
Solve 2x² − 5x − 3 = 0
Find both values of x that satisfy the equation. Tap "next step" to walk through the derivation.
Done