Shortcuts - Row and Column related quick tips...

• Ctrl + "-" (Minus)
  It Deletes selected cell/s
  Logic - minus means Delete
• Ctrl + Shft + "+" (Plus)
  Inserts blank cell/s at selection
  Logic - Plus means Add, but remember to press shift
• Ctrl + 9
  Hides column/s in selection range
  Logic - Key 9 means Key "(" which means C and C for Column
• Ctrl + Shft + 9
  Unhides column/s in selection range
  Logic - Key 9 means Key "(" which means C and C for Column
• Ctrl + 0 (Zero)
  Hides Row/s in selection range
  Logic - Key 0 means Key ")", If Key "(" means column then Key ")"means Row
• Ctrl + Shft + 0 (Zero)
  Unhides row/s in selection range
  Logic - Key 0 means Key ")", If Key "(" means column then Key ")"means Row
• Ctrl + Spacebar
  Selects Column/s in selection range
  Logic - C for Ctrl, C for Column
• Shift + Spacebar
  Selects Row/s in selection range
  Logic - Don't ask me logic every time