using uCalcSoftware;

var uc = new uCalc();
var t = uc.NewTransformer();
// Match "Number + Number"
t.FromTo("{@Number} + {@Number}", "Math Operation");

Console.WriteLine(t.Transform("10 + 20")); // Output: Math Operation
Console.WriteLine(t.Transform("A + B"));   // No Match (A/B are Alpha, not Number)