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BFG   (2001-12-16 16:24) [0]

Hello everyone! The mine has a problem here ... No one tried to write a program for drawing graphs? In general, I want any schedule
function, recorded in Edit, when you clicked the button was displayed through the Canvas image. If anyone knows, then throw a square. idea how to implement it.



Вадим   (2001-12-16 16:35) [1]

Parse the expression entered in edit "e and build a graph.



BFG   (2001-12-16 16:44) [2]

>> Vadim
Many respected Vadim, do not consider me so close! The only problem is to “parse” this very schedule. If it doesn’t bother you, then
write how to do it!



nazgul   (2001-12-16 21:27) [3]

I wrote a program
Which is according to the entered formula
Builds a graph

Rem: * / + - ()
^ raised to a power



Вадим   (2001-12-16 21:55) [4]

Well, then ask the question: "how to parse the expression?". You can, for example, use TrxParser from RxLib.



Pat   (2001-12-17 01:00) [5]

Saw module on
http://delphi4all.narod.ru/alg/recogn.htm
I have not tried it myself. But it seems to fit ...



BFG   (2001-12-17 17:39) [6]

Thanks for the advice! Let's try ...



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Forum: "Main";
Current archive: 2002.01.08;
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