JavaScripts

# 1 Shift ciphers

# 2 Relative frequencies of letters in English

# 3 Viginère ciphers

# 4 Breaking Viginère ciphers with monographic frequency counts

# 5 Color graphics version of Script #4

# 6 See the sieve of Eratosthenes in action using forms (first attempt)

# 7 A color version of the sieve using frames

# 8 A color version of the sieve using Java

# 9 Generating primes by sieving

#10 The Jacobi symbol

#11 Bezout's equation

#12 Primality testing with Fermat's little theorem

#13 Multiple precision arithmetic (under construction)

#13 Multiple precision arithmetic using Java

#14 "Stupidest known algorithm" for factoring

#15 Interest

#16 Present value

#17 Graphs of derivatives

#18 Draw the derivative