Math in Society Web Apps

This set of web tools, apps, and links to external tools are collected to complement the open textbook Math in Society.

Statistics

Histogram Grapher
Draws a histogram from a frequency table.
BoxPlot Grapher
Draws comparative boxplots from one, two, or three 5-number summaries.

Cryptography

Shift/Ceasar Cipher
Encrypts/decrypts/cracks a shift substitution (aka Ceasar) cipher.
Modulus Calculator
Calculates a mod n.
Modular Exponent Calculator
Calculates ab mod n.
Generator Calculator
Finds a generator (primitive root) for a prime p. This calculator is only designed for small primes (5 digits or less). For larger primes, use this site instead
RSA Keys Generator
Generates demo RSA keys, with a 5-digit modulus.

Fractals

Mandelbrot Sequence Calculator
Calculates a Mandelbrot or Julia sequence.