4GbPj‖OLE Object
s2t34‖Inserts an embedded or linked object into your document, including formulas, QR codes, and OLE objects.
ebLJB‖From the menu bar:
bSkGT‖Choose .
qBbLh‖From the tabbed interface:
GmdE8‖Choose .
2Bx3G‖
B2tXK‖Inserts a formula into the current document. For more information open the LibreOfficeDev Math Help.
ztYka‖Generate linear and matrix codes for any text or URL.
BGAX9‖Inserts an OLE object into the current document. The OLE object is inserted as a link or an embedded object.