calculatr
v0.0.2 calc calculate calculator cli calculator
test
istanbul cover _mocha -- -R spec watch
istanbul cover _mocha -- -R spec --watch coveralls
cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js istanbul cover _mocha -- -R spec istanbul cover _mocha -- -R spec --watch cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js 