using uCalcSoftware;

var uc = new uCalc();
var t = new uCalc.Transformer();
t.Text = "A";

// Pass 0 will change 'A' to 'B'
var pass0 = t.Pass(0);
pass0.FromTo("A", "B");

// Pass 1 will receive 'B' and change it to 'C'
var pass1 = t.Pass(1);
pass1.FromTo("B", "C");

t.Transform();
Console.WriteLine(t); // The final output is 'C'