Am 07.11.2017 um 15:11 schrieb Alexey via Lazarus:
Can you add to FPC some example which uses this engine?
(fpc)\source\packages\fcl-base\src\fpexprpars.pp
http://wiki.lazarus.freepascal.org/How_To_Use_TFPExpressionParser
And, of course, the TPlotExpressionPanel (the other component in the
package "lazplotfunction") is a nice application of it (see
TExpressionControlPlotter.Create, .SetExpression, and .CalcFunction).
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