First trial but it has no apparent result, I'm sorry. Buth anyway in progress.
Merge branch 'master' into client-side_calcuration
remove node's dir.
Calclation first goal (initialization) is reached.
calculateExpressionWithValues changed.
Add check type of before indexOf method.
Correct typos in sample htmls
Merge pull request #58 from msyk/client-side_calcuration

Client side calcuration