diff --git a/components/fpspreadsheet/source/common/fpsopendocumentchart.pas b/components/fpspreadsheet/source/common/fpsopendocumentchart.pas
index 49ad573ea..306fa0783 100644
--- a/components/fpspreadsheet/source/common/fpsopendocumentchart.pas
+++ b/components/fpspreadsheet/source/common/fpsopendocumentchart.pas
@@ -316,6 +316,7 @@ begin
   AColor2 := tmp;
 end;
 
+
 {------------------------------------------------------------------------------}
 {                        internal number formats                               }
 {------------------------------------------------------------------------------}
@@ -2049,9 +2050,9 @@ begin
       --> We must transform to fps angular orientations (0° horizontal, CCW)
       But axial gradient uses "normal" angle }
     if gradientstyle <> cgsAxial then
-      angle := (90.0 + angle) mod 360
+      angle := FMod(90.0 + angle, 360.0)
     else
-      angle := angle mod 360;
+      angle := FMod(angle, 360.0);
   end;
 
   s := GetAttrValue(ANode, 'draw:cx');
@@ -3586,13 +3587,13 @@ begin
       cgsLinear:
         style := style + Format(
           'draw:angle="%.0fdeg" ',
-          [ (90 + gradient.Angle) mod 360 ],   // transform to fps angle orientations
+          [ FMod(90 + gradient.Angle, 360.0) ],   // transform to fps angle orientations
           FPointSeparatorSettings
         );
       cgsAxial:
         style := style + Format(
           'draw:angle="%.0fdeg" ',
-          [ (gradient.Angle) mod 360 ],
+          [ FMod(gradient.Angle, 360.0) ],
           FPointSeparatorSettings
         );
       cgsElliptic, cgsSquare, cgsRectangular:
diff --git a/components/fpspreadsheet/source/common/fpsutils.pas b/components/fpspreadsheet/source/common/fpsutils.pas
index b580aba80..34ab6d10e 100644
--- a/components/fpspreadsheet/source/common/fpsutils.pas
+++ b/components/fpspreadsheet/source/common/fpsutils.pas
@@ -254,6 +254,10 @@ function Range(ARow, ACol: Cardinal): TsCellRange; overload;
 function Range(ARow1, ACol1, ARow2, ACol2: Cardinal): TsCellRange; overload;
 function Range3D(ASheetIdx1, ASheetIdx2: Integer; ARow1, ACol1, ARow2, ACol2: Cardinal): TsCellRange3D;
 
+{$IF FPC_FullVersion < 30200}
+function FMod(const a, b: Double): Double; inline; overload;
+{$IFEND}
+
 function CellBorderStyle(const AColor: TsColor = scBlack;
   const ALineStyle: TsLineStyle = lsThin): TsCellBorderStyle;
 
@@ -3033,6 +3037,13 @@ begin
   Result.Sheet2 := ASheetIdx2;
 end;
 
+{$IF FPC_FullVersion < 30200}
+function FMod(const a, b: Double): Double;
+begin
+  Result := a-b * Int(a/b);
+end;
+{$IFEND}
+
 
 {@@ ----------------------------------------------------------------------------
   Combines the relevant font properties into a string
@@ -3043,7 +3054,8 @@ begin
     Result := ''
   else begin
     Result := Format('%s; size %.1g; %s', [
-      AFont.FontName, AFont.Size, GetColorName(AFont.Color)]);
+      AFont.FontName, AFont.Size, GetColorName(AFont.Color)
+    ]);
     if (fssBold in AFont.Style) then Result := Result + '; bold';
     if (fssItalic in AFont.Style) then Result := Result + '; italic';
     if (fssUnderline in AFont.Style) then Result := Result + '; underline';
diff --git a/components/fpspreadsheet/source/visual/fpspreadsheetchart.pas b/components/fpspreadsheet/source/visual/fpspreadsheetchart.pas
index e9f480865..fa4bcaff9 100644
--- a/components/fpspreadsheet/source/visual/fpspreadsheetchart.pas
+++ b/components/fpspreadsheet/source/visual/fpspreadsheetchart.pas
@@ -1529,23 +1529,23 @@ begin
   ABrush.Color := Convert_sColor_to_Color(hatch.PatternColor.Color);
   case hatch.Style of
     chsSingle:
-      if InRange(hatch.PatternAngle mod 180, -22.5, 22.5) then  // horizontal "approximation"
+      if InRange(FMod(hatch.PatternAngle, 180.0), -22.5, 22.5) then  // horizontal "approximation"
         ABrush.Style := bsHorizontal
       else
-      if InRange((hatch.PatternAngle - 90) mod 180, -22.5, 22.5) then  // vertical
+      if InRange(FMod(hatch.PatternAngle - 90, 180.0), -22.5, 22.5) then  // vertical
         ABrush.Style := bsVertical
       else
-      if Inrange((hatch.PatternAngle - 45) mod 180, -22.5, 22.5) then  // diagonal up
+      if Inrange(FMod(hatch.PatternAngle - 45, 180.0), -22.5, 22.5) then  // diagonal up
         ABrush.Style := bsBDiagonal
       else
-      if InRange((hatch.PatternAngle + 45) mod 180, -22.5, 22.5) then  // diagonal down
+      if InRange(FMod(hatch.PatternAngle + 45, 180.0), -22.5, 22.5) then  // diagonal down
         ABrush.Style := bsFDiagonal;
     chsDouble,
     chsTriple:   // no triple hatches in LCL - fall-back to double hatch
-      if InRange(hatch.PatternAngle mod 180, -22.5, 22.5) then   // +++
+      if InRange(FMod(hatch.PatternAngle, 180.0), -22.5, 22.5) then   // +++
         ABrush.Style := bsCross
       else
-      if InRange((hatch.PatternAngle - 45) mod 180, -22.5, 22.5) then // xxx
+      if InRange(FMod(hatch.PatternAngle - 45, 180.0), -22.5, 22.5) then // xxx
         ABrush.Style := bsDiagCross;
   end;
 end;
@@ -1660,7 +1660,7 @@ begin
       end;
     chsDouble, chsTriple:
       begin  // +++
-        if InRange(hatch.PatternAngle mod 180, -22.5, 22.5) then
+        if InRange(FMod(hatch.PatternAngle, 180.0), -22.5, 22.5) then
         begin
           PrepareCanvas(w, w, lw);
           png.Canvas.Line(0, w div 2, w, w div 2);
@@ -1669,7 +1669,7 @@ begin
             png.Canvas.Line(0, 0, w, w);
         end else
         // xxx
-        if InRange((hatch.PatternAngle-45) mod 180, -22.5, 22.5) then
+        if InRange(FMod(hatch.PatternAngle-45, 180.0), -22.5, 22.5) then
         begin
           w := round(w * sqrt(2));
           PrepareCanvas(w, w, lw);
@@ -2359,7 +2359,9 @@ begin
     axis := FChart.LeftAxis
   else
     axis := FChart.BottomAxis;
+  {$IF LCL_FullVersion >= 2020000}
   axis.Marks.SourceExchangeXY := AWorkbookChart.RotatedAxes;
+  {$IFEND}
 
   case AWorkbookChart.GetChartType of
     ctScatter, ctBubble:
@@ -2539,7 +2541,9 @@ begin
     ALegend.UseSidebar := not AWorkbookLegend.CanOverlapPlotArea;
     ALegend.Visible := AWorkbookLegend.Visible;
     ALegend.TextFormat := tfHTML;
+    {$IF LCL_FullVersion >= 3990000}
     ALegend.ColumnCount := 0;
+    {$IFEND}
   end;
 end;