diff --git a/lib/ai/formula_screen.dart b/lib/ai/formula_screen.dart
index 439b1b6..b982666 100644
--- a/lib/ai/formula_screen.dart
+++ b/lib/ai/formula_screen.dart
@@ -55,6 +55,10 @@ class _FormulaScreenState extends State<FormulaScreen> {
     _selectedOutputUnit = formula.output.unit;
   }
 
+  void _initInputs( Map<String,dynamic> inputValues ){
+    // TODO: FIND WIDGETS AND SET VALUES
+  }
+
   @override
   void initState() {
     super.initState();
@@ -117,14 +121,14 @@ class _FormulaScreenState extends State<FormulaScreen> {
       }
 
       late final dynamic result;
-      if( formula is DerivedFormula) {
+      //if( formula is DerivedFormula) {
         result = formulaSolver(formula, formula.output.name, inputValues,);
-      }
-      else {
-        print( "TODO: MAYBE ONLY FORMULASOLVER IS NECCESSARY");
-        final evaluator = FormulaEvaluator();
-        result = evaluator.evaluate(formula as Formula, inputValues);
-      }
+      //}
+      //else {
+        // TODO: MAYBE ONLY FORMULASOLVER IS NECCESSARY"
+        //final evaluator = FormulaEvaluator();
+        //result = evaluator.evaluate(formula as Formula, inputValues);
+      //}
 
       // Convert output to selected unit if needed
       String? unit = formula.output.unit;
@@ -484,16 +488,9 @@ class _FormulaScreenState extends State<FormulaScreen> {
       }
 
       // Replace the current FormulaScreen with the new DerivedFormula screen
-      Navigator.pushReplacement(
-        context,
-        MaterialPageRoute(
-          builder: (context) => FormulaScreen(
-            formula: derivedFormula,
-            corpus: widget.corpus,
-            onSave: widget.onSave,
-          ),
-        ),
-      );
+      setState( (){
+        formula = derivedFormula;
+      });
     } catch (e, st) {
       errorHandler.notify(e,st);
     }