public static async Task<FormulaEvalException> TryEvalAsync<T>(this T formulaContext) where T : FormulaContext
    {
        FormulaEvalException res = null;
        ScriptState state = null;
        var scriptOptions = ScriptOptions.Default.WithReferences("System", "System.Linq", "System.Globalization", "Microsoft.CSharp").WithImports(new[] { "System", "System.Linq", "System.Math", "System.Globalization", "System.Collections.Generic" });
        foreach (var formulaList in formulaContext.AllFormulas.Values)
        {
            foreach (var formula in formulaList)
            {
                formulaContext.CurrentFormula = formula;
                try
                {
                    if (state == null)
                    {
                        state = await CSharpScript.RunAsync(formula.Script, scriptOptions, formulaContext);
                    }
                    else
                    {
                        state = await state.ContinueWithAsync(formula.Script);
                    }
                    var result = state.ReturnValue;
                    if (result == null)
                    {
                        if (res == null)
                        {
                            res = new FormulaEvalException(formula.Title + " : No result");
                        }
                        continue;
                    }

                    formula.Result = result;
                }
                catch (CompilationErrorException ex)
                {
                    if (res == null)
                    {
                        res = new FormulaEvalException(formula.Title + ex.Message);
                    }
                    continue;
                }
                catch
                {
                    continue;
                }
            }
        }

        return res;
    }