Check out stutter from the Computational Beauty of Nature too: https://github.com/gwf/CBofN https://github.com/gwf/CBofN cat data/demo.lisp | ./bin/stutte

Check out stutter from the Computational Beauty of Nature too: https://github.com/gwf/CBofN https://github.com/gwf/CBofN cat data/demo.lisp | ./bin/stutter Have a look on the file on how integers and aritmetics are implemented. The books explains that, but is not free. But you can get it somewhere else.