Calculator in Pascal

nikolajs508

Junior Member
Feb 3, 2013
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I made an calculator in Lazarus (program language Pascal).
Now i want to add option with widget RadioButton, that you can chose between calculating in binary and in decimal, but i dont have any idea what is the code.
If anyone know how to do it, please help.
Here is a picture of calculator: http://shrani.najdi.si/?1Q/Zh/3cyv5dx4/zajeta-slika.jpg

Sorry for bad english :)