Shortcut Category: Shortcuts for PowerPoint
Shortcut Command: Slash (/) on Numeric Keypad

Default Shortcut Keys: Slash (/) key on the numeric key pad

Description:

The slash key (/) on the numeric key pad toggles Show Formatting option. When Shortcuts for PowerPoint is active, this key can produce the slash character instead of toggling the Show Formatting option.

For calling from macros:

Sub PPShortcuts_NumericSlash()
    Application.Run "PPShortcuts.ppa!NumericSlash"
End Sub