jQuery Calx is an Excel calculation engine and formula parser built as jQuery plugin.
Rewrite the internal formula parser and plugin structure.
Ability to register new function and override default one.
Ability to register variable.
Easy graph to represent data in graphical way (additional library required)
Add support for string and cell range.
Add a lot of excel compatible function (additional library may be required).
Add feature to check circular reference, instead of infinite loop which make the page hang up, it’s now alerting error.
Add support for server-side function formula, in case you want to hide the calculation algorithm.
Add support to change formula, value, format easily without need to write tricky script.

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