diff --git a/src/opti-lib/src/OptiEnProfitSubject.cpp b/src/opti-lib/src/OptiEnProfitSubject.cpp
index 9cf2aad..9584639 100644
--- a/src/opti-lib/src/OptiEnProfitSubject.cpp
+++ b/src/opti-lib/src/OptiEnProfitSubject.cpp
@@ -280,7 +280,7 @@ double OptiSubjectEnProfit::GetVerbose(const EnjoLib::Matrix & dataMat, bool ver
                 GnuplotPlotTerminal1d(prod, "Energy production", 1, 0.5);
                 //GnuplotPlotTerminal1d(hashrateBonus, "Bashrate bonus seasonal", 1, 0.5);
                 
-                {LOGL << "Bat charge:\n" << SolUtil().GetPercentToAscii(m_loads, m_dataModel.GetBatPars().MIN_LOAD_AMPH, batteryCopy.m_maxCapacityAmph) << Nl;}
+                {LOGL << "Bat charge:\n" << ToolsMixed().GetPercentToAscii(m_loads, m_dataModel.GetBatPars().MIN_LOAD_AMPH, batteryCopy.m_maxCapacityAmph) << Nl;}
             }
         }
     }
diff --git a/src/opti-lib/src/SolUtil.cpp b/src/opti-lib/src/SolUtil.cpp
index 3c0ecd9..ddde080 100644
--- a/src/opti-lib/src/SolUtil.cpp
+++ b/src/opti-lib/src/SolUtil.cpp
@@ -11,60 +11,3 @@ using namespace EnjoLib;
 
 SolUtil::SolUtil(){}
 SolUtil::~SolUtil(){}
-
-EnjoLib::Str SolUtil::GetPercentToAscii(double val, double minimum, double maximum)
-{
-    Assertions::IsTrue(maximum > minimum, "maximum < minimum GetPercentToAscii");
-    const double diff = maximum - minimum;
-    Assertions::IsNonZero(diff, "diff GetPercentToAscii");
-    const double pro = (val - minimum) / diff;
-    //LOGL << pro << Nl;
-    EnjoLib::Str ret = "1";
-    
-    if (pro < 0)
-    {
-        ret = " ";
-    }
-    else if (0 <= pro && pro < 0.1)
-    {
-        ret = "_";
-    }
-    else if (0.1 <= pro && pro < 0.3)
-    {
-        ret = ".";
-    }
-    else if (0.3 <= pro && pro < 0.5)
-    {
-        ret = "░";
-    }
-    else if (0.5 <= pro && pro < 0.7)
-    {
-        ret = "▒";
-    }
-    else if (0.7 <= pro && pro < 1)
-    {
-        ret = "▓";
-    }
-    else 
-    {
-        ret = "█";
-    }
-    return ret;
-}
-EnjoLib::Str SolUtil::GetPercentToAscii(const EnjoLib::VecD & vals, double minimum, double maximum, bool decoration)
-{
-    EnjoLib::Osstream oss;
-    if (decoration)
-    {
-        oss << "├ ";
-    }
-    for (const double val : vals)
-    {
-        oss << GetPercentToAscii(val, minimum, maximum);
-    }
-    if (decoration)
-    {
-        oss << " ┤";
-    }
-    return oss.str();
-}
\ No newline at end of file
diff --git a/src/opti-lib/src/SolUtil.h b/src/opti-lib/src/SolUtil.h
index f3df28e..0c772b9 100644
--- a/src/opti-lib/src/SolUtil.h
+++ b/src/opti-lib/src/SolUtil.h
@@ -10,9 +10,6 @@ class SolUtil
 public:
 	SolUtil();
 	virtual ~SolUtil();
-	
-	EnjoLib::Str GetPercentToAscii(double val, double minimum = 0, double maximum = 1);
-	EnjoLib::Str GetPercentToAscii(const EnjoLib::VecD & val, double minimum = 0, double maximum = 1, bool decoration = false);
 
 protected:
 
diff --git a/tests/opti-test/src/SolUtilTest.cpp b/tests/opti-test/src/SolUtilTest.cpp
index d704e2c..616e4c5 100644
--- a/tests/opti-test/src/SolUtilTest.cpp
+++ b/tests/opti-test/src/SolUtilTest.cpp
@@ -5,21 +5,4 @@
 
 using namespace EnjoLib;
 
-TEST(SolUtil_values_to_ascii1)
-{
-    const double minimum = 0;
-    const double maximum = 10;
-    VecD inp;
-    for (int i = 1; i >= -2; --i)
-    {
-        inp.Add(i);
-    }
-    for (int i = 0; i <= 12; ++i)
-    {
-        inp.Add(i);
-    }
-    SolUtil().GetPercentToAscii(inp, minimum, maximum);
-    LOGL << "values_to_ascii1:" << Nl << SolUtil().GetPercentToAscii(inp, minimum, maximum) << Nl;
-}
-