using uCalcSoftware;

var uc = new uCalc();
uc.DefineVariable("num = 42");
uc.DefineVariable("txt = 'Hello'");

// Using modern format strings with alignment and casting
Console.WriteLine(uc.EvalStr("num", "Result = Format('--{:6}--', double(Result))"));

// Using multiple placeholder references
Console.WriteLine(uc.EvalStr("txt", "Result = Format('{0}! and {0}', Result)"));