diff --git a/docs/index.md b/docs/index.md
index 186123e..36ebf95 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -68,7 +68,8 @@ will clear the numeric prefix if you want to cancel it.
 
 **Other Keybindings**
 
-* `Ctrl-r` will enter range selection mode
+* `Ctrl-r` will enter range selection mode.
+* `v` will enter range selection mode with the start of the range already selected.
 * `Ctrl-s` will save the sheet.
 * `Ctrl-c`, `y` Copy the cell or range contents.
 * `Ctrl-v`, `p` Paste into the sheet.
diff --git a/examples/test.icalc b/examples/test.icalc
deleted file mode 100644
index c456599..0000000
Binary files a/examples/test.icalc and /dev/null differ
diff --git a/examples/test.xlsx b/examples/test.xlsx
index a2b60d1..ac5e7f9 100644
Binary files a/examples/test.xlsx and b/examples/test.xlsx differ
diff --git a/src/book/mod.rs b/src/book/mod.rs
index 8b345d6..f6dce1a 100644
--- a/src/book/mod.rs
+++ b/src/book/mod.rs
@@ -96,13 +96,29 @@ impl Book {
         Ok(&self.get_sheet()?.sheet_data)
     }
 
-    /// Move to a specific sheel location in the current sheet
+    /// Move to a specific sheet location in the current sheet
     pub fn move_to(&mut self, Address { row, col }: &Address) -> Result<()> {
         // FIXME(zaphar): Check that this is safe first.
         self.location.row = *row;
         self.location.col = *col;
         Ok(())
     }
+   
+    /// Extend a cell to the rest of the range.
+    pub fn extend_to(&mut self, from: &Address, to: &Address) -> Result<()> {
+        for ri in from.row..=to.row {
+            for ci in from.col..=to.col {
+                if ri == from.row && ci == from.col {
+                    continue;
+                }
+                let contents = self.model.extend_to(self.current_sheet, from.row as i32, from.col as i32, ri as i32, ci as i32).map_err(|e| anyhow!(e))?;
+                self.model.set_user_input(self.current_sheet, ri as i32, ci as i32, contents)
+                    .map_err(|e| anyhow!(e))?;
+            }
+        }
+        self.evaluate();
+        Ok(())
+    }
 
     pub fn clear_current_cell(&mut self) -> Result<()> {
         self.clear_cell_contents(self.current_sheet as u32, self.location.clone())
diff --git a/src/ui/mod.rs b/src/ui/mod.rs
index 8b09161..c84a51e 100644
--- a/src/ui/mod.rs
+++ b/src/ui/mod.rs
@@ -317,6 +317,7 @@ impl<'ws> Workspace<'ws> {
                 "Edit Mode:".to_string(),
                 "* ENTER/RETURN: Exit edit mode and save changes".to_string(),
                 "* Ctrl-r: Enter Range Selection mode".to_string(),
+                "* v: Enter Range Selection mode with the start of the range already selected".to_string(),
                 "* ESC: Exit edit mode and discard changes".to_string(),
                 "Otherwise edit as normal".to_string(),
             ],
@@ -380,7 +381,7 @@ impl<'ws> Workspace<'ws> {
                     return Ok(None);
                 }
                 KeyCode::Char('r') if key.modifiers == KeyModifiers::CONTROL => {
-                    self.enter_range_select_mode();
+                    self.enter_range_select_mode(false);
                     return Ok(None);
                 }
                 KeyCode::Char('p') if key.modifiers == KeyModifiers::CONTROL => {
@@ -579,6 +580,12 @@ impl<'ws> Workspace<'ws> {
                     self.copy_range(false)?;
                 }
                 KeyCode::Char('y') => self.copy_range(false)?,
+                KeyCode::Char('x') => {
+                    if let (Some(from), Some(to)) = (self.state.range_select.start.as_ref(), self.state.range_select.end.as_ref()) {
+                        self.book.extend_to(from, to)?;
+                    }
+                    self.exit_range_select_mode()?;
+                }
                 _ => {
                     // moop
                 }
@@ -670,7 +677,7 @@ impl<'ws> Workspace<'ws> {
                     self.enter_edit_mode();
                 }
                 KeyCode::Char('r') if key.modifiers == KeyModifiers::CONTROL => {
-                    self.enter_range_select_mode();
+                    self.enter_range_select_mode(false);
                 }
                 KeyCode::Char('c') if key.modifiers == KeyModifiers::CONTROL => {
                     self.state.clipboard = Some(ClipboardContents::Cell(
@@ -697,7 +704,7 @@ impl<'ws> Workspace<'ws> {
                     ));
                 }
                 KeyCode::Char('v') if key.modifiers != KeyModifiers::CONTROL => {
-                    self.enter_range_select_mode()
+                    self.enter_range_select_mode(true)
                 }
                 KeyCode::Char('p') if key.modifiers != KeyModifiers::CONTROL => {
                     self.paste_range()?;
@@ -810,6 +817,7 @@ impl<'ws> Workspace<'ws> {
                     })?;
                 }
                 KeyCode::Char('g') => {
+                    // TODO(zaphar): This really needs a better state machine.
                     if self.state.char_queue.first().map(|c| *c == 'g').unwrap_or(false) {
                         self.state.char_queue.pop();
                         self.move_to_top()?;
@@ -819,6 +827,7 @@ impl<'ws> Workspace<'ws> {
                 }
                 _ => {
                     // noop
+                    self.state.char_queue.clear();
                 }
             }
         }
@@ -829,6 +838,7 @@ impl<'ws> Workspace<'ws> {
         match &self.state.clipboard {
             Some(ClipboardContents::Cell(contents)) => {
                 self.book.edit_current_cell(contents)?;
+                self.book.evaluate();
             }
             Some(ClipboardContents::Range(ref rows)) => {
                 let Address { row, col } = self.book.location.clone();
@@ -846,6 +856,7 @@ impl<'ws> Workspace<'ws> {
                         )?;
                     }
                 }
+                self.book.evaluate();
             }
             None => {
                 // NOOP
@@ -878,11 +889,15 @@ impl<'ws> Workspace<'ws> {
         self.state.modality_stack.push(Modality::Dialog);
     }
 
-    fn enter_range_select_mode(&mut self) {
+    fn enter_range_select_mode(&mut self, init_start: bool) {
         self.state.range_select.sheet = Some(self.book.current_sheet);
         self.state.range_select.original_sheet = Some(self.book.current_sheet);
         self.state.range_select.original_location = Some(self.book.location.clone());
-        self.state.range_select.start = None;
+        if init_start {
+            self.state.range_select.start = Some(self.book.location.clone());
+        } else {
+            self.state.range_select.start = None;
+        }
         self.state.range_select.end = None;
         self.state.modality_stack.push(Modality::RangeSelect);
     }