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Pythagoras' Theorem

Sine, Cosine and the Unit Circle

Exterior angles

Square numbers

Cubes

Solve quadratic equations by factorising

10 random factorisable quadratic equations with solutions

10 random factorisable quadratic inequalities with solutions

A puzzle

A slide rule

Van Aubel's Theorem

The midpoints of a quadrilateral are the vertices of a parallelogram

A Mandelbrot set plotter

Order from chaos

Complex Loci

Quadratic regression

Linear regression

Sample from a normal distribution

Histogram plotter

Normal distribution calculator

Inverse normal distribution calculator

Normal mean and variance

Binomial distribution calculator and hypothesis test helper

Poisson distribution calculator and hypothesis test helper

Compare approximations to the bonomial distribution

How good is your line of best fit?

Estimate the sine of an angle

How far is it from the arc to the chord?

Bearings and Distance from eastings and northings

Easting and Northing from Bearing and Distance

Laying out an arc of a circle (surveying)

Arc between two straight roads

x^y mod m

RSA cryptography

nth binary number of given weight and length

Sums of powers of divisors

Sum of divisors divided by n^2

Sum of divisors

GCD and LCM

Iterated Function Systems

Classify fixed points of linear systems

Desmos Graphs