Hello, how are you?

Excuse my English translator

My questions are about Calligra Sheets ...

1) How to make dockable left panel disappear as with Calligra Word and Author with the combination of keys Ctrl + h?

2) How to make for a group of cells or a column or row is visible if I scroll with the rest. It's like the option of Free Office Calc on the menu window, freeze option.

Thank you, greetings!