==> ex0.cc <==
//
// simple example 0: 
// addition, multiplication ...
//

==> ex1.cc <==
//
// simple example 1:
// power computation and root extraction
//

==> ex2.cc <==
//
// simple example 2: 
// compute pi with 2 different algorithms
//

==> ex3.cc <==
//
// simple example 3: 
// golden ratio & fibonacci numbers
//

==> ex4.cc <==
//
// simple example 4: 
// compute pi using different convolutions
//

==> ex5.cc <==
//
// simple example 5: 
// continued fraction of pi
//

==> ex6.cc <==
//
// simple example 6: 
// alternating sums
//

==> ex7.cc <==
//
// simple example 7: 
// means
//

==> ex8.cc <==
//
// simple example 8: 
// bogo lucas lehmer test:
// p=2^q-1 prime <==> cosh(2^(q-2)*log(2+sqrt(3)))%p=0

==> ex9.cc <==
//
// simple example 9: 
// some constants printed in the book
//
