> ## BIRT JavaScript classes quick reference

> Table 24-1 lists the BIRT JavaScript classes.

> Table 24-1 Actuate JavaScript API classes
> JavaScript class | Description
> BirtComp | Compares values
> BirtDateTime | Calculates dates and times
> BirtDuration | Calculates durations
> BirtMath | Performs mathematic calculations.
> BirtStr | Performs string operations
> Finance | Performs financial calculations
> Formatter | Generated formatted strings

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