Eval library for Delphi Function parser with user interface for design functions and conditions specified at runtime.
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Eval library for Delphi Tags

design application interface Design Interface function parser design runtime user interface design math function parser interface design

Eval library for Delphi Description

Function parser with user interface for design functions and conditions specified at runtime. Converts mathematical, string, date, goniometric, financial functions given as a string (y='sin(x)*sqrt(x+5)') and its argumets into the function value. Run-time database filters, end user friendly inteface. Basic component is completed with more visual components. End user interface can have user friendly input of expressions and conditions, so, that final user doesn't have to know syntax of individual functions. There is a component to disposition too, which enables simple registry created expressions and conditions and their again exploitation without necessary again putting information's. Advantages : about 200 supported functions extended functions: Find text with errors Extended goniometric functions More functions working with date & time runtime specified expressions runtime specified calculated fields more flexible than standard TTable.Filter or SQL clause where nice user interface composite functions Disadvantage: Because Eval library is interpreter, execution time is 8-10x longer than compiled code. But for end user interface, calculators, grids this is very fast.Platforms supported:Windows 95 (DVD Decoder for Windows XP), Windows NT, Windows 2000, Windows XP, Windows 98, Windows ME, Windows Server 2003

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