🎮 Interactive tools

Drag sliders and see the parabola change live. ABC-formula solved step by step.

See how slope and y-intercept affect the line in real time.

Watch the area under the curve fill up and the integral calculated live.

Rotate the angle and see sin, cos and tan update live.

Move the point and see the tangent line slide along the curve. The derivative as slope.

Adjust mean and standard deviation and see the bell curve live. Explore the 68-95-99.7 rule.

Drag vector components and see addition with the parallelogram rule. Dot product and angle live.

25 random questions against the clock. Grade 1-6 calculated automatically.