diff --git a/UPolynomial.pas b/UPolynomial.pas
index 13528ff..9a4374f 100644
--- a/UPolynomial.pas
+++ b/UPolynomial.pas
@@ -40,6 +40,7 @@ type
     function CalcValueAt(const AX: Int64): TBigInt;
     function IsEqualTo(const AOther: TBigIntPolynomial): Boolean;
     function ScaleVariable(const AScaleFactor: TBigInt): TBigIntPolynomial;
+    function ToString: string;
     class function Create(const ACoefficients: array of TBigInt): TBigIntPolynomial; static;
   end;
 
@@ -109,6 +110,18 @@ begin
     SetLength(Result.FCoefficients, 0);
 end;
 
+function TBigIntPolynomial.ToString: string;
+var
+  i: Integer;
+begin
+  Result := FCoefficients[0].ToString;
+  for i := 1 to Length(FCoefficients) - 1 do
+    if i > 1 then
+      Result := Result + ' + ' + FCoefficients[i].ToString + ' * x^' + IntToStr(i)
+    else
+      Result := Result + ' + ' + FCoefficients[i].ToString + ' * x';
+end;
+
 class function TBigIntPolynomial.Create(const ACoefficients: array of TBigInt): TBigIntPolynomial;
 var
   high, i: integer;