My World Tools

Probability Distribution

Adjust the mean and standard deviation, then find the probability of a range.

densityx: -4.0 – 4.0

Probability in range: 68.3%

You might also find these useful

Permutations & CombinationsEnter n and r to instantly calculate nPr and nCr.
PID ControlTune P, I, and D gains and watch how the system responds — overshoot, oscillation, or a smooth approach.
Fractal ViewerExplore the Mandelbrot and Julia sets — click anywhere to zoom into the pattern.
Advertisement
Integral VisualizerSee the area under a curve build up as a sum of rectangles, approximating the integral.
Circuit SimulatorAdjust voltage and resistance and watch an LED brighten as current increases, following Ohm's law.
Measurement Error AnalysisEnter a set of measurements and the true value to see absolute, relative, and standard errors.
Advertisement