diff --git a/Untitled Diagram.drawio b/Untitled Diagram.drawio
index 0030816..fc4d271 100644
--- a/Untitled Diagram.drawio	
+++ b/Untitled Diagram.drawio	
@@ -1 +1,24 @@
-<mxfile host="app.diagrams.net" modified="2022-02-25T10:54:36.245Z" agent="5.0 (Windows)" version="14.6.11" etag="8VPrFwKJZKJ5vehNiQpw" type="github"><diagram id="72CqWKYcG7JXAqFMetQx">UzV2zq1wL0osyPDNT0nNUTV2VTV2LsrPL4GwciucU3NyVI0MMlNUjV1UjYwMgFjVyA2HrCFY1qAgsSg1rwSLBiADYTaQg2Y1AA==</diagram></mxfile>
\ No newline at end of file
+<mxfile host="app.diagrams.net" modified="2022-02-25T11:16:31.847Z" agent="5.0 (Windows)" etag="dYZ-UCrz0DvgRxnpjDsA" version="14.6.11" type="github">
+  <diagram id="72CqWKYcG7JXAqFMetQx" name="Page-1">
+    <mxGraphModel dx="1422" dy="780" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="827" pageHeight="1169" math="0" shadow="0">
+      <root>
+        <mxCell id="0" />
+        <mxCell id="1" parent="0" />
+        <mxCell id="ru0EPB8269snwMATjJgb-1" value="CoreMath" style="swimlane;fontStyle=1;align=center;verticalAlign=top;childLayout=stackLayout;horizontal=1;startSize=26;horizontalStack=0;resizeParent=1;resizeParentMax=0;resizeLast=0;collapsible=1;marginBottom=0;" vertex="1" parent="1">
+          <mxGeometry x="140" y="130" width="160" height="120" as="geometry">
+            <mxRectangle x="140" y="130" width="90" height="26" as="alternateBounds" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="ru0EPB8269snwMATjJgb-2" value="+ base_df: df&#xa;+ params : json&#xa;- ans&#xa;&#xa;&#xa;" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;" vertex="1" parent="ru0EPB8269snwMATjJgb-1">
+          <mxGeometry y="26" width="160" height="44" as="geometry" />
+        </mxCell>
+        <mxCell id="ru0EPB8269snwMATjJgb-3" value="" style="line;strokeWidth=1;fillColor=none;align=left;verticalAlign=middle;spacingTop=-1;spacingLeft=3;spacingRight=3;rotatable=0;labelPosition=right;points=[];portConstraint=eastwest;" vertex="1" parent="ru0EPB8269snwMATjJgb-1">
+          <mxGeometry y="70" width="160" height="8" as="geometry" />
+        </mxCell>
+        <mxCell id="ru0EPB8269snwMATjJgb-4" value="in getExtremumValue() : float&#xa;in getMeanValue(): float \ df" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=top;spacingLeft=4;spacingRight=4;overflow=hidden;rotatable=0;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;" vertex="1" parent="ru0EPB8269snwMATjJgb-1">
+          <mxGeometry y="78" width="160" height="42" as="geometry" />
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+</mxfile>