diff --git a/autoload/tablemode.vim b/autoload/tablemode.vim
index a5f0668..15c7e1c 100644
--- a/autoload/tablemode.vim
+++ b/autoload/tablemode.vim
@@ -101,7 +101,7 @@ endfunction
 
 function! tablemode#TableizeInsertMode() "{{{2
   if tablemode#IsActive() && getline('.') =~# (tablemode#table#StartExpr() . g:table_mode_separator . g:table_mode_separator)
-    call tablemode#table#AddHeaderBorder('.')
+    call tablemode#table#AddBorder('.')
     normal! A
   elseif tablemode#IsActive() && getline('.') =~# (tablemode#table#StartExpr() . g:table_mode_separator)
     let column = tablemode#utils#strlen(substitute(getline('.')[0:col('.')], '[^' . g:table_mode_separator . ']', '', 'g'))
diff --git a/autoload/tablemode/align.vim b/autoload/tablemode/align.vim
index 0b670e6..d7bb17f 100644
--- a/autoload/tablemode/align.vim
+++ b/autoload/tablemode/align.vim
@@ -93,7 +93,7 @@ endfunction
 
 function! tablemode#align#alignments(lnum, ncols) "{{{2
   let alignments = []
-  if tablemode#table#IsHeader(a:lnum+1)
+  if tablemode#table#IsBorder(a:lnum+1)
     let hcols = tablemode#align#Split(getline(a:lnum+1), '[' . g:table_mode_corner . g:table_mode_corner_corner . ']')
     for idx in range(len(hcols))
       " Right align if header
diff --git a/autoload/tablemode/spreadsheet.vim b/autoload/tablemode/spreadsheet.vim
index 403b688..cf29f6c 100644
--- a/autoload/tablemode/spreadsheet.vim
+++ b/autoload/tablemode/spreadsheet.vim
@@ -50,10 +50,10 @@ function! tablemode#spreadsheet#GetFirstRow(line) "{{{2
   if tablemode#table#IsRow(a:line)
     let line = tablemode#utils#line(a:line)
 
-    while tablemode#table#IsRow(line - 1) || tablemode#table#IsHeader(line - 1)
+    while tablemode#table#IsRow(line - 1) || tablemode#table#IsBorder(line - 1)
       let line -= 1
     endwhile
-    if tablemode#table#IsHeader(line) | let line += 1 | endif
+    if tablemode#table#IsBorder(line) | let line += 1 | endif
 
     return line
   endif
@@ -69,10 +69,10 @@ function! tablemode#spreadsheet#GetLastRow(line) "{{{2
   if tablemode#table#IsRow(a:line)
     let line = tablemode#utils#line(a:line)
 
-    while tablemode#table#IsRow(line + 1) || tablemode#table#IsHeader(line + 1)
+    while tablemode#table#IsRow(line + 1) || tablemode#table#IsBorder(line + 1)
       let line += 1
     endwhile
-    if tablemode#table#IsHeader(line) | let line -= 1 | endif
+    if tablemode#table#IsBorder(line) | let line -= 1 | endif
 
     return line
   endif
@@ -89,7 +89,7 @@ function! tablemode#spreadsheet#LineNr(row) "{{{2
     let line = tablemode#spreadsheet#GetFirstRow('.')
     let row_nr = 0
 
-    while tablemode#table#IsRow(line + 1) || tablemode#table#IsHeader(line + 1)
+    while tablemode#table#IsRow(line + 1) || tablemode#table#IsBorder(line + 1)
       if tablemode#table#IsRow(line)
         let row_nr += 1
         if row ==# row_nr | break | endif
@@ -105,7 +105,7 @@ function! tablemode#spreadsheet#RowNr(line) "{{{2
   let line = tablemode#utils#line(a:line)
 
   let rowNr = 0
-  while tablemode#table#IsRow(line) || tablemode#table#IsHeader(line)
+  while tablemode#table#IsRow(line) || tablemode#table#IsBorder(line)
     if tablemode#table#IsRow(line) | let rowNr += 1 | endif
     let line -= 1
   endwhile
@@ -117,13 +117,13 @@ function! tablemode#spreadsheet#RowCount(line) "{{{2
   let line = tablemode#utils#line(a:line)
 
   let [tline, totalRowCount] = [line, 0]
-  while tablemode#table#IsRow(tline) || tablemode#table#IsHeader(tline)
+  while tablemode#table#IsRow(tline) || tablemode#table#IsBorder(tline)
     if tablemode#table#IsRow(tline) | let totalRowCount += 1 | endif
     let tline -= 1
   endwhile
 
   let tline = line + 1
-  while tablemode#table#IsRow(tline) || tablemode#table#IsHeader(tline)
+  while tablemode#table#IsRow(tline) || tablemode#table#IsBorder(tline)
     if tablemode#table#IsRow(tline) | let totalRowCount += 1 | endif
     let tline += 1
   endwhile
@@ -166,27 +166,27 @@ function! tablemode#spreadsheet#MoveToStartOfCell() "{{{2
   endif
 endfunction
 
-function! tablemode#spreadsheet#GetLastRow(line) "{{{2
+function! tablemode#spreadsheet#GetFirstRow(line) "{{{2
   if tablemode#table#IsRow(a:line)
     let line = tablemode#utils#line(a:line)
 
-    while tablemode#table#IsRow(line + 1) || tablemode#table#IsHeader(line + 1)
-      let line += 1
+    while tablemode#table#IsRow(line - 1) || tablemode#table#IsBorder(line - 1)
+      let line -= 1
     endwhile
-    if tablemode#table#IsHeader(line) | let line -= 1 | endif
+    if tablemode#table#IsBorder(line) | let line += 1 | endif
 
     return line
   endif
 endfunction
 
-function! tablemode#spreadsheet#GetFirstRow(line) "{{{2
+function! tablemode#spreadsheet#GetLastRow(line) "{{{2
   if tablemode#table#IsRow(a:line)
     let line = tablemode#utils#line(a:line)
 
-    while tablemode#table#IsRow(line - 1) || tablemode#table#IsHeader(line - 1)
-      let line -= 1
+    while tablemode#table#IsRow(line + 1) || tablemode#table#IsBorder(line + 1)
+      let line += 1
     endwhile
-    if tablemode#table#IsHeader(line) | let line += 1 | endif
+    if tablemode#table#IsBorder(line) | let line -= 1 | endif
 
     return line
   endif
diff --git a/autoload/tablemode/spreadsheet/cell.vim b/autoload/tablemode/spreadsheet/cell.vim
index 1d9e769..15fd0ec 100644
--- a/autoload/tablemode/spreadsheet/cell.vim
+++ b/autoload/tablemode/spreadsheet/cell.vim
@@ -85,7 +85,7 @@ function! tablemode#spreadsheet#cell#GetCells(line, ...) abort
     if row == 0
       let values = []
       let line = first_row
-      while tablemode#table#IsRow(line) || tablemode#table#IsHeader(line)
+      while tablemode#table#IsRow(line) || tablemode#table#IsBorder(line)
         if tablemode#table#IsRow(line)
           let row_line = getline(line)[stridx(getline(line), g:table_mode_separator):strridx(getline(line), g:table_mode_separator)]
           call add(values, tablemode#utils#strip(get(split(row_line, g:table_mode_separator), colm>0?colm-1:colm, '')))
@@ -97,7 +97,7 @@ function! tablemode#spreadsheet#cell#GetCells(line, ...) abort
       let row_nr = 0
       let row_diff = row > 0 ? 1 : -1
       let line = row > 0 ? first_row : last_row
-      while tablemode#table#IsRow(line) || tablemode#table#IsHeader(line)
+      while tablemode#table#IsRow(line) || tablemode#table#IsBorder(line)
         if tablemode#table#IsRow(line)
           let row_nr += row_diff
           if row ==# row_nr | break | endif
@@ -127,10 +127,27 @@ function! tablemode#spreadsheet#cell#GetCell(...) "{{{2
 endfunction
 
 function! tablemode#spreadsheet#cell#GetRow(row, ...) abort "{{{2
-  let line = a:0 < 1 ? '.' : a:1
+  let line = a:0 ? a:1 : '.'
   return tablemode#spreadsheet#cell#GetCells(line, a:row)
 endfunction
 
+function! tablemode#spreadsheet#cell#GetRowColumn(col, ...) abort "{{{2
+  let line = a:0 ? a:1 : '.'
+  let row = tablemode#spreadsheet#RowNr('.')
+  return tablemode#spreadsheet#cell#GetCells(line, row, a:col)
+endfunction
+
+function! tablemode#spreadsheet#cell#GetColumn(col, ...) abort "{{{2
+  let line = a:0 ? a:1 : '.'
+  return tablemode#spreadsheet#cell#GetCells(line, 0, a:col)
+endfunction
+
+function! tablemode#spreadsheet#cell#GetColumnRow(row, ...) abort "{{{2
+  let line = a:0 ? a:1 : '.'
+  let col = tablemode#spreadsheet#ColumnNr('.')
+  return tablemode#spreadsheet#cell#GetCells(line, a:row, col)
+endfunction
+
 function! tablemode#spreadsheet#cell#GetCellRange(range, ...) abort "{{{2
   if a:0 < 1
     let [line, colm] = ['.', tablemode#spreadsheet#ColumnNr('.')]
@@ -169,23 +186,6 @@ function! tablemode#spreadsheet#cell#GetCellRange(range, ...) abort "{{{2
   return values
 endfunction
 
-function! tablemode#spreadsheet#cell#GetRowColumn(col, ...) abort "{{{2
-  let line = a:0 < 1 ? '.' : a:1
-  let row = tablemode#spreadsheet#RowNr('.')
-  return tablemode#spreadsheet#cell#GetCells(line, row, a:col)
-endfunction
-
-function! tablemode#spreadsheet#cell#GetColumn(col, ...) abort "{{{2
-  let line = a:0 < 1 ? '.' : a:1
-  return tablemode#spreadsheet#cell#GetCells(line, 0, a:col)
-endfunction
-
-function! tablemode#spreadsheet#cell#GetColumnRow(row, ...) abort "{{{2
-  let line = a:0 < 1 ? '.' : a:1
-  let col = tablemode#spreadsheet#ColumnNr('.')
-  return tablemode#spreadsheet#cell#GetCells(line, a:row, col)
-endfunction
-
 function! tablemode#spreadsheet#cell#SetCell(val, ...) "{{{2
   if a:0 == 0
     let [line, row, colm] = ['.', tablemode#spreadsheet#RowNr('.'), tablemode#spreadsheet#ColumnNr('.')]
@@ -233,7 +233,7 @@ function! tablemode#spreadsheet#cell#Motion(direction, ...) "{{{2
     for ii in range(l:count)
       if a:direction ==# 'l'
         if tablemode#spreadsheet#IsLastCell()
-          if !tablemode#table#IsRow(line('.') + 1) && (tablemode#table#IsHeader(line('.') + 1) && !tablemode#table#IsRow(line('.') + 2))
+          if !tablemode#table#IsRow(line('.') + 1) && (tablemode#table#IsBorder(line('.') + 1) && !tablemode#table#IsRow(line('.') + 2))
             return
           endif
           call tablemode#spreadsheet#cell#Motion('j', 1)
@@ -248,7 +248,7 @@ function! tablemode#spreadsheet#cell#Motion(direction, ...) "{{{2
         endif
       elseif a:direction ==# 'h'
         if tablemode#spreadsheet#IsFirstCell()
-          if !tablemode#table#IsRow(line('.') - 1) && (tablemode#table#IsHeader(line('.') - 1) && !tablemode#table#IsRow(line('.') - 2))
+          if !tablemode#table#IsRow(line('.') - 1) && (tablemode#table#IsBorder(line('.') - 1) && !tablemode#table#IsRow(line('.') - 2))
             return
           endif
           call tablemode#spreadsheet#cell#Motion('k', 1)
@@ -265,7 +265,7 @@ function! tablemode#spreadsheet#cell#Motion(direction, ...) "{{{2
         if tablemode#table#IsRow(line('.') + 1)
           " execute 'normal! ' . 1 . 'j'
           normal! j
-        elseif tablemode#table#IsHeader(line('.') + 1) && tablemode#table#IsRow(line('.') + 2)
+        elseif tablemode#table#IsBorder(line('.') + 1) && tablemode#table#IsRow(line('.') + 2)
           " execute 'normal! ' . 2 . 'j'
           normal! 2j
         endif
@@ -273,7 +273,7 @@ function! tablemode#spreadsheet#cell#Motion(direction, ...) "{{{2
         if tablemode#table#IsRow(line('.') - 1)
           " execute 'normal! ' . 1 . 'k'
           normal! k
-        elseif tablemode#table#IsHeader(line('.') - 1) && tablemode#table#IsRow(line('.') - 2)
+        elseif tablemode#table#IsBorder(line('.') - 1) && tablemode#table#IsRow(line('.') - 2)
           " execute 'normal! ' . (1 + 1) . 'k'
           normal! 2k
         endif
diff --git a/autoload/tablemode/spreadsheet/formula.vim b/autoload/tablemode/spreadsheet/formula.vim
index 0851bd5..cd0cd63 100644
--- a/autoload/tablemode/spreadsheet/formula.vim
+++ b/autoload/tablemode/spreadsheet/formula.vim
@@ -39,7 +39,7 @@ function! tablemode#spreadsheet#formula#Add(...) "{{{2
   if fr !=# ''
     let fr = '$' . row . ',' . colm . '=' . fr
     let fline = tablemode#spreadsheet#GetLastRow('.') + 1
-    if tablemode#table#IsHeader(fline) | let fline += 1 | endif
+    if tablemode#table#IsBorder(fline) | let fline += 1 | endif
     let cursor_pos = [line('.'), col('.')]
     if getline(fline) =~# 'tmf: '
       " Comment line correctly
@@ -129,13 +129,13 @@ function! tablemode#spreadsheet#formula#EvaluateFormulaLine() abort "{{{2
   if tablemode#table#IsRow('.') " We're inside the table
     let line = tablemode#spreadsheet#GetLastRow('.')
     let fline = line + 1
-    if tablemode#table#IsHeader(fline) | let fline += 1 | endif
+    if tablemode#table#IsBorder(fline) | let fline += 1 | endif
     if getline(fline) =~# 'tmf: '
       let exprs = split(matchstr(getline(fline), matchexpr), ';')
     endif
   elseif getline('.') =~# 'tmf: ' " We're on the formula line
     let line = line('.') - 1
-    if tablemode#table#IsHeader(line) | let line -= 1 | endif
+    if tablemode#table#IsBorder(line) | let line -= 1 | endif
     if tablemode#table#IsRow(line)
       let exprs = split(matchstr(getline('.'), matchexpr), ';')
     endif
diff --git a/autoload/tablemode/table.vim b/autoload/tablemode/table.vim
index 6de40df..c2e2480 100644
--- a/autoload/tablemode/table.vim
+++ b/autoload/tablemode/table.vim
@@ -96,24 +96,6 @@ function! tablemode#table#scope() "{{{2
   return s:
 endfunction
 
-function! tablemode#table#StartCommentExpr() "{{{2
-  let cstartexpr = tablemode#table#GetCommentStart()
-  if tablemode#utils#strlen(cstartexpr) > 0
-    return '^\s*' . cstartexpr . '\s*'
-  else
-    return ''
-  endif
-endfunction
-
-function! tablemode#table#EndCommentExpr() "{{{2
-  let cendexpr = tablemode#table#GetCommentEnd()
-  if tablemode#utils#strlen(cendexpr) > 0
-    return '.*\zs\s\+' . cendexpr . '\s*$'
-  else
-    return ''
-  endif
-endfunction
-
 function! tablemode#table#GetCommentStart() "{{{2
   let cstring = &commentstring
   if tablemode#utils#strlen(cstring) > 0
@@ -123,6 +105,15 @@ function! tablemode#table#GetCommentStart() "{{{2
   endif
 endfunction
 
+function! tablemode#table#StartCommentExpr() "{{{2
+  let cstartexpr = tablemode#table#GetCommentStart()
+  if tablemode#utils#strlen(cstartexpr) > 0
+    return '^\s*' . cstartexpr . '\s*'
+  else
+    return ''
+  endif
+endfunction
+
 function! tablemode#table#GetCommentEnd() "{{{2
   let cstring = &commentstring
   if tablemode#utils#strlen(cstring) > 0
@@ -137,6 +128,15 @@ function! tablemode#table#GetCommentEnd() "{{{2
   endif
 endfunction
 
+function! tablemode#table#EndCommentExpr() "{{{2
+  let cendexpr = tablemode#table#GetCommentEnd()
+  if tablemode#utils#strlen(cendexpr) > 0
+    return '.*\zs\s\+' . cendexpr . '\s*$'
+  else
+    return ''
+  endif
+endfunction
+
 function! tablemode#table#StartExpr() "{{{2
   let cstart = tablemode#table#GetCommentStart()
   if tablemode#utils#strlen(cstart) > 0
@@ -155,15 +155,20 @@ function! tablemode#table#EndExpr() "{{{2
   endif
 endfunction
 
-function! tablemode#table#IsHeader(line) "{{{2
+function! tablemode#table#IsBorder(line) "{{{2
   return getline(a:line) =~# s:HeaderBorderExpr()
 endfunction
 
-function! tablemode#table#IsRow(line) "{{{2
-  return !tablemode#table#IsHeader(a:line) && getline(a:line) =~# (tablemode#table#StartExpr() . g:table_mode_separator)
+function! tablemode#table#IsHeader(line) "{{{2
+  let line = tablemode#utils#line(a:line)
+  return tablemode#table#IsBorder(line+1) && !tablemode#table#IsRow(line-1) && !tablemode#table#IsRow(line-2)
 endfunction
 
-function! tablemode#table#AddHeaderBorder(line) "{{{2
+function! tablemode#table#IsRow(line) "{{{2
+  return !tablemode#table#IsBorder(a:line) && getline(a:line) =~# (tablemode#table#StartExpr() . g:table_mode_separator)
+endfunction
+
+function! tablemode#table#AddBorder(line) "{{{2
   call setline(a:line, s:GenerateHeaderBorder(a:line))
 endfunction
 
@@ -172,8 +177,8 @@ function! tablemode#table#Realign(line) "{{{2
 
   let lines = []
   let [lnum, blines] = [line, []]
-  while tablemode#table#IsRow(lnum) || tablemode#table#IsHeader(lnum)
-    if tablemode#table#IsHeader(lnum)
+  while tablemode#table#IsRow(lnum) || tablemode#table#IsBorder(lnum)
+    if tablemode#table#IsBorder(lnum)
       call insert(blines, lnum)
       let lnum -= 1
       continue
@@ -183,8 +188,8 @@ function! tablemode#table#Realign(line) "{{{2
   endwhile
 
   let lnum = line + 1
-  while tablemode#table#IsRow(lnum) || tablemode#table#IsHeader(lnum)
-    if tablemode#table#IsHeader(lnum)
+  while tablemode#table#IsRow(lnum) || tablemode#table#IsBorder(lnum)
+    if tablemode#table#IsBorder(lnum)
       call add(blines, lnum)
       let lnum += 1
       continue
@@ -200,6 +205,6 @@ function! tablemode#table#Realign(line) "{{{2
   endfor
 
   for bline in blines
-    call tablemode#table#AddHeaderBorder(bline)
+    call tablemode#table#AddBorder(bline)
   endfor
 endfunction
diff --git a/t/cell.vim b/t/cell.vim
index d84a0bb..5412765 100644
--- a/t/cell.vim
+++ b/t/cell.vim
@@ -10,7 +10,7 @@ describe 'cell'
       read t/fixtures/sample.txt
     end
 
-    it 'should return the cells'
+    it 'should return the cells with GetCells'
       Expect tablemode#spreadsheet#cell#GetCells(2, 1, 1) ==# 'test11'
       " Get Rows
       Expect tablemode#spreadsheet#cell#GetCells(2, 1) == ['test11', 'test12']
@@ -20,7 +20,17 @@ describe 'cell'
       Expect tablemode#spreadsheet#cell#GetCells(2, 0, 2) == ['test12', 'test22']
     end
 
-    it 'should return the cells in a range'
+    it 'should return the row with GetRow'
+      Expect tablemode#spreadsheet#cell#GetRow(1, 2) == ['test11', 'test12']
+      Expect tablemode#spreadsheet#cell#GetRow(2, 2) == ['test21', 'test22']
+    end
+
+    it 'should return the column with GetColumn'
+      Expect tablemode#spreadsheet#cell#GetColumn(1, 2) == ['test11', 'test21']
+      Expect tablemode#spreadsheet#cell#GetColumn(2, 2) == ['test12', 'test22']
+    end
+
+    it 'should return the cells in a range with GetCellRange'
       " Entire table as range
       Expect tablemode#spreadsheet#cell#GetCellRange('1,1:2,2', 2, 1) == [['test11', 'test21'], ['test12', 'test22']]
 
@@ -95,7 +105,7 @@ describe 'cell'
       before
         new
         normal! ggdG
-        call tablemode#Enable()
+        call tablemode#TableModeEnable()
         normal i|test11|test12|
|test21|test22|
         call cursor(1, 3)
       end
diff --git a/t/fixtures/cell/sample.txt b/t/fixtures/cell/sample.txt
new file mode 100644
index 0000000..9e670d5
--- /dev/null
+++ b/t/fixtures/cell/sample.txt
@@ -0,0 +1,2 @@
+| 1 | 2 |
+| 3 | 4 |
diff --git a/t/fixtures/table/sample.txt b/t/fixtures/table/sample.txt
new file mode 100644
index 0000000..e447226
--- /dev/null
+++ b/t/fixtures/table/sample.txt
@@ -0,0 +1,4 @@
+
+| test11 | test12 |
+| test21 | test22 |
+
diff --git a/t/fixtures/table/sample_for_header.txt b/t/fixtures/table/sample_for_header.txt
new file mode 100644
index 0000000..75f8f25
--- /dev/null
+++ b/t/fixtures/table/sample_for_header.txt
@@ -0,0 +1,3 @@
+| test11 | test12 |
+
+| test21 | test22 |
diff --git a/t/fixtures/table/sample_header_realign_after.txt b/t/fixtures/table/sample_header_realign_after.txt
new file mode 100644
index 0000000..ec77850
--- /dev/null
+++ b/t/fixtures/table/sample_header_realign_after.txt
@@ -0,0 +1,4 @@
+| Title | Message |
+|------:+--------:|
+|    t1 |    msg1 |
+|    t2 |    msg2 |
diff --git a/t/fixtures/table/sample_header_realign_before.txt b/t/fixtures/table/sample_header_realign_before.txt
new file mode 100644
index 0000000..045fc67
--- /dev/null
+++ b/t/fixtures/table/sample_header_realign_before.txt
@@ -0,0 +1,4 @@
+| Title | Message |
+|------:+--------:|
+| t1    | msg1    |
+| t2    | msg2    |
diff --git a/t/fixtures/table/sample_realign_after.txt b/t/fixtures/table/sample_realign_after.txt
new file mode 100644
index 0000000..e7fd9e1
--- /dev/null
+++ b/t/fixtures/table/sample_realign_after.txt
@@ -0,0 +1,2 @@
+| test11 | test12 |
+| test21 | test22 |
diff --git a/t/fixtures/table/sample_realign_before.txt b/t/fixtures/table/sample_realign_before.txt
new file mode 100644
index 0000000..d1b3499
--- /dev/null
+++ b/t/fixtures/table/sample_realign_before.txt
@@ -0,0 +1,2 @@
+|test11|test12|
+|test21|test22|
diff --git a/t/fixtures/sample_with_header.txt b/t/fixtures/table/sample_with_header.txt
similarity index 83%
rename from t/fixtures/sample_with_header.txt
rename to t/fixtures/table/sample_with_header.txt
index e108e00..9213e7f 100644
--- a/t/fixtures/sample_with_header.txt
+++ b/t/fixtures/table/sample_with_header.txt
@@ -1,4 +1,4 @@
-
+|--------+---------|
 | Title  | Message |
 |--------+---------|
 | test11 | test12  |
diff --git a/t/spreadsheet.vim b/t/spreadsheet.vim
index bbb2708..47a0a3b 100644
--- a/t/spreadsheet.vim
+++ b/t/spreadsheet.vim
@@ -25,6 +25,27 @@ describe 'spreadsheet'
       Expect tablemode#spreadsheet#ColumnCount(3) == 2
     end
 
+    it 'should return the column number'
+      call cursor(2,3)
+      Expect tablemode#spreadsheet#ColumnNr('.') == 1
+      call cursor(2,12)
+      Expect tablemode#spreadsheet#ColumnNr('.') == 2
+    end
+
+    it 'should return true when in the first cell'
+      call cursor(2,3)
+      Expect tablemode#spreadsheet#IsFirstCell() to_be_true
+      call cursor(2,12)
+      Expect tablemode#spreadsheet#IsFirstCell() to_be_false
+    end
+
+    it 'should return true when in the last cell'
+      call cursor(2,3)
+      Expect tablemode#spreadsheet#IsLastCell() to_be_false
+      call cursor(2,12)
+      Expect tablemode#spreadsheet#IsLastCell() to_be_true
+    end
+
     it 'should return the line number of the first row'
       Expect tablemode#spreadsheet#GetFirstRow(2) == 2
       Expect tablemode#spreadsheet#GetFirstRow(3) == 2
@@ -34,6 +55,33 @@ describe 'spreadsheet'
       Expect tablemode#spreadsheet#GetLastRow(2) == 3
       Expect tablemode#spreadsheet#GetLastRow(3) == 3
     end
+
+    describe 'Math'
+      before
+        new
+        read t/fixtures/cell/sample.txt
+      end
+
+      it 'should return the sum of cell range'
+        call cursor(1,3)
+        Expect tablemode#spreadsheet#Sum('1:2') == 4.0
+        Expect tablemode#spreadsheet#Sum('1,1:1,2') == 3.0
+        Expect tablemode#spreadsheet#Sum('1,1:2,2') == 10.0
+        call cursor(2,7)
+        Expect tablemode#spreadsheet#Sum('1:2') == 6.0
+        Expect tablemode#spreadsheet#Sum('2,1:2,2') == 7.0
+      end
+
+      it 'should return the average of cell range'
+        call cursor(1,3)
+        Expect tablemode#spreadsheet#Average('1:2') == 2.0
+        Expect tablemode#spreadsheet#Average('1,1:1,2') == 1.5
+        Expect tablemode#spreadsheet#Average('1,1:2,2') == 5.0
+        call cursor(2,7)
+        Expect tablemode#spreadsheet#Average('1:2') == 3.0
+        Expect tablemode#spreadsheet#Average('2,1:2,2') == 3.5
+      end
+    end
   end
 
   describe 'Manipulations'
diff --git a/t/table.vim b/t/table.vim
index 86e48d0..8b84065 100644
--- a/t/table.vim
+++ b/t/table.vim
@@ -4,40 +4,96 @@ source t/config/options.vim
 call vspec#hint({'scope': 'tablemode#table#scope()', 'sid': 'tablemode#table#sid()'})
 
 describe 'table'
-  describe 'API'
-    describe 'IsRow'
+  describe 'IsRow'
+    before
+      new
+      read t/fixtures/table/sample.txt
+    end
+
+    it 'should be true when on a table row'
+      Expect tablemode#table#IsRow(2) to_be_true
+      Expect tablemode#table#IsRow(3) to_be_true
+    end
+
+    it 'should be false when not on a table row'
+      Expect tablemode#table#IsRow(1) to_be_false
+      Expect tablemode#table#IsRow(4) to_be_false
+    end
+  end
+
+  describe 'IsBorder'
+    before
+      new
+      read t/fixtures/table/sample_with_header.txt
+    end
+
+    it 'should be true on a table border'
+      Expect tablemode#table#IsBorder(1) to_be_true
+      Expect tablemode#table#IsBorder(3) to_be_true
+      Expect tablemode#table#IsBorder(6) to_be_true
+    end
+
+    it 'should be false when not on a table border'
+      Expect tablemode#table#IsBorder(2) to_be_false
+      Expect tablemode#table#IsBorder(4) to_be_false
+      Expect tablemode#table#IsBorder(5) to_be_false
+    end
+  end
+
+  describe 'IsHeader'
+    before
+      new
+      read t/fixtures/table/sample_with_header.txt
+    end
+
+    it 'should be true on the table header'
+      Expect tablemode#table#IsHeader(2) to_be_true
+    end
+
+    it 'should be false anywhere else'
+      Expect tablemode#table#IsHeader(1) to_be_false
+      Expect tablemode#table#IsHeader(4) to_be_false
+      Expect tablemode#table#IsHeader(5) to_be_false
+      Expect tablemode#table#IsHeader(6) to_be_false
+      Expect tablemode#table#IsHeader(7) to_be_false
+    end
+  end
+
+  describe 'AddBorder'
+    before
+      new
+      read t/fixtures/table/sample_for_header.txt
+    end
+
+    it 'should add border to line'
+      call tablemode#table#AddBorder(2)
+      Expect tablemode#table#IsHeader(1) to_be_true
+      Expect tablemode#table#IsBorder(2) to_be_true
+    end
+  end
+
+  describe 'Realign'
+    describe 'without header alignments'
       before
         new
-        read t/fixtures/sample.txt
+        read t/fixtures/table/sample_realign_before.txt
       end
 
-      it 'should return true when inside a table'
-        Expect tablemode#table#IsRow(2) to_be_true
-        Expect tablemode#table#IsRow(3) to_be_true
-      end
-
-      it 'should return false when outside a table'
-        Expect tablemode#table#IsRow(1) to_be_false
-        Expect tablemode#table#IsRow(4) to_be_false
+      it 'should be aligned properly'
+        call tablemode#table#Realign(1)
+        Expect getline(1,'$') == readfile('t/fixtures/table/sample_realign_after.txt')
       end
     end
 
-    describe 'IsHeader'
+    describe 'with header alignments'
       before
         new
-        read t/fixtures/sample_with_header.txt
+        read t/fixtures/table/sample_header_realign_before.txt
       end
 
-      it 'should return true when on a table header'
-        Expect tablemode#table#IsHeader(3) to_be_true
-        Expect tablemode#table#IsHeader(6) to_be_true
-      end
-
-      it 'should return false when not on a table header'
-        Expect tablemode#table#IsHeader(1) to_be_false
-        Expect tablemode#table#IsHeader(2) to_be_false
-        Expect tablemode#table#IsHeader(4) to_be_false
-        Expect tablemode#table#IsHeader(5) to_be_false
+      it 'should be aligned properly'
+        call tablemode#table#Realign(1)
+        Expect getline(1,'$') == readfile('t/fixtures/table/sample_header_realign_after.txt')
       end
     end
   end