diff --git a/ChangeLog.txt b/ChangeLog.txt
index ecee1021c..349dbac57 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -142,3 +142,5 @@
   minimized.
 * NxWM::CHexCalculator:  Add a hexadecimal/decimal calculator
   example.
+* NXWidgets::CNxTkWindow:  Back out height adjustment in the getSize()
+  method.  The code was correct as it was before.
diff --git a/libnxwidgets/src/cnxtkwindow.cxx b/libnxwidgets/src/cnxtkwindow.cxx
index b1d7be9e2..05241817c 100644
--- a/libnxwidgets/src/cnxtkwindow.cxx
+++ b/libnxwidgets/src/cnxtkwindow.cxx
@@ -298,15 +298,9 @@ bool CNxTkWindow::getPosition(FAR struct nxgl_point_s *pos)
 bool CNxTkWindow::getSize(FAR struct nxgl_size_s *size)
 {
   // Get the size of the NXTK window (this will exclude the thickness of
-  // the frame).
+  // the frame and the height of the toolbar, if any).
 
-  bool ret = m_widgetControl->getWindowSize(size);
-
-  // Subtract the height of the toolbar (if any) to get the size of the
-  // drawable region in the window.
-
-  size->h -= m_toolbarHeight;
-  return ret;
+  return m_widgetControl->getWindowSize(size);
 }
 
 /**
diff --git a/nxwm/include/chexcalculator.hxx b/nxwm/include/chexcalculator.hxx
index d73e17faf..3ac50f71c 100644
--- a/nxwm/include/chexcalculator.hxx
+++ b/nxwm/include/chexcalculator.hxx
@@ -87,9 +87,9 @@ namespace NxWM
     struct nxgl_size_s       m_textSize;   /**< The size of the calculator textbox */
     struct nxgl_point_s      m_keypadPos;  /**< The position the calculator keypad */
     struct nxgl_point_s      m_textPos;    /**< The position of the calculator textbox */
-    uint64_t                 m_operand;    /**< Previously entered operand */
-    uint64_t                 m_accum;      /**< The current accumulated value */
-    uint64_t                 m_memory;     /**< The current value in memory */
+    int64_t                  m_operand;    /**< Previously entered operand */
+    int64_t                  m_accum;      /**< The current accumulated value */
+    int64_t                  m_memory;     /**< The current value in memory */
     uint8_t                  m_pending;    /**< The pending operation */
     bool                     m_hexMode;    /**< True if in hex mode */
 
diff --git a/nxwm/src/chexcalculator.cxx b/nxwm/src/chexcalculator.cxx
index 0217574e2..48409f4d9 100644
--- a/nxwm/src/chexcalculator.cxx
+++ b/nxwm/src/chexcalculator.cxx
@@ -455,7 +455,7 @@ void CHexCalculator::setGeometry(void)
   // Get the size of the text box.  Same width as the m_keypad
 
   m_textSize.w   = m_keypadSize.w;
-  m_textSize.h   = m_windowSize.h - NXWM_HEXCALCULATOR_NROWS * m_buttonSize.h;
+  m_textSize.h   = m_windowSize.h - m_keypadSize.h;
 
   // Limit the height of the text box to twice the height of a button.
 
@@ -594,11 +594,11 @@ void CHexCalculator::updateText(void)
 
   if (m_hexMode)
     {
-      snprintf(buffer, 24, "%16lx", m_accum);
+      std::snprintf(buffer, 24, "%16llx", m_accum);
     }
   else
     {
-      snprintf(buffer, 24, "%ld", m_accum);
+      std::snprintf(buffer, 24, "%lld", m_accum);
     }
 
   // setText will perform the redraw as well
@@ -662,8 +662,16 @@ void CHexCalculator::handleActionEvent(const NXWidgets::CWidgetEventArgs &e)
 
           case KEY_VALUE:       // Key is a value
             {
-              m_accum <<= 4;
-              m_accum |= (uint64_t)g_keyDesc[index].value;
+              if (m_hexMode)
+                {
+                  m_accum <<= 4;
+                  m_accum |= (uint64_t)g_keyDesc[index].value;
+                }
+              else
+                {
+                  m_accum *= 10;
+                  m_accum += (uint64_t)g_keyDesc[index].value;
+                }
               updateText();
             }
             break;
@@ -766,7 +774,7 @@ void CHexCalculator::handleActionEvent(const NXWidgets::CWidgetEventArgs &e)
                 {
                   m_hexMode = false;
                   labelKeypad();
-                  m_keypad->redraw();
+                  updateText();
                 }
             }
             break;
@@ -777,7 +785,7 @@ void CHexCalculator::handleActionEvent(const NXWidgets::CWidgetEventArgs &e)
                 {
                   m_hexMode = true;
                   labelKeypad();
-                  m_keypad->redraw();
+                  updateText();
                 }
             }
             break;