On branch master
 Changes to be committed:
  Initial commit of the source files.

	new file:   Makefile
	modified:   README.md
	new file:   calc-lexer.lex
	new file:   calc.cm
	new file:   calc.mlb
	new file:   calc.sml
	new file:   main-mlton.sml
	new file:   main-smlnj.sml