A random real number in the range 0 to 1:

A random real number in the range to :

A random real number in the range 0 to 10:

Five random reals in the range 0 to 1:

A 3×2 array of random reals in the range to :

Random coordinates for 4 points in 3 dimensions:

Generate random reals of any magnitude:

Generate random reals of any precision:

Generate low-precision reals:

A random walk:

Circles at random positions:

Random array of gray levels:

Spheres at random positions:

Two-dimensional random walk:

Three-dimensional random walk:

Determinants of random 100×100 matrices:

Generate a complex number in the unit square:

Generate 5 complex numbers:

Use RandomComplex instead:

Generate exponential random variables using inversion method:

Compare sample histogram with the PDF of ExponentialDistribution:

Alternatively, use RandomVariate to sample from nonuniform distributions directly:

Test whether both datasets could be samples from the same distribution:

Use SeedRandom to get repeatable random values:

Use BlockRandom to block one use of RandomReal from affecting others:

With the same seed, RandomReal generates the "same" number, regardless of precision:

RandomReal generates a uniform distribution, here with mean 0.5:

RandomReal generates white noise:

Construct a surface from random heights: