Update menu.md

Author: probonopd

user/components/system/menu.md

@@ -9,6 +9,9 @@ The menu bar at the top of the screen lets you perform, among others, the follow
 * Launch applications
 * Shut down your computer
 * Search in application menus
+* Search for documents and folders on your computer
+* Open folders at certain paths
+* Perform calculations
 * See date and time
 
 ## Getting computer information
@@ -33,7 +36,19 @@ To shut down your computer, select "Log Out" from the "System" menu, then click
 
 ## Searching in application menus
 
-Click on "Search" in the menu bar, or press {kbd}`Alt+Space`. Then enter a few characters of the menu entry you would like to execute, select one of the matches from the list, and press the Enter key. If only one choice remains left as you are typing, the remaining entry automatically gets selected.
+Click on "Search" in the menu bar, or press {kbd}`Command+Space`. Then enter a few characters of the menu entry you would like to execute, select one of the matches from the list, and press the Enter key.
+
+## Searching for documents and folders on your computer
+
+Click on "Search" in the menu bar, or press {kbd}`Command+Space`. Then enter a few characters of the document or folder name, select one of the matches from the list, and press the Enter key.
+
+## Opening folders at certain paths
+
+Click on "Search" in the menu bar, or press {kbd}`Command+Space`. Then enter `/` or `~` followed by a folder name, select one of the matches from the list, and press the Enter key.
+
+## Performing calculations
+
+Starting with helloSystem 0.8.2, you can perform calculations using the Menu. Click on "Search" in the menu bar, or press {kbd}`Command+Space`. Then enter a mathematical statement like `2+2` or `sqrt(2)`. The result of the calculation will be shown in the menu.
 
 ## Date and time