Building Advanced Calculation form using jQuery Calx

Recently I have a lot of task from my several client that ask me to convert their excel spreadsheet into fully working web based apps. Everything is fine when I build the form using standard jQuery event to trigger the calculation, getting value from each field, pass the calculation result to the target field, etc. But things become very slow and make my browser not responsive when the form contain lot of field and the calculation script start their work, triggering blur event on every field that need to be calculated, etc, etc, till I  noticed that I was the [...]