Packages: actuarialsymbol, actuarialangle

[William Szuch]

Hi
I am new to LaTex/MiKTeX and Lyx.
I have loaded MiKTeX and LyX 2.3.61
I have also installed the packages:
     actuarialsymbols
    actuarialangle
in MiKTeX to create actuarial symbols.

How do I use these packages in LyX?
eg: \actsymbol{A}{x}


Regards
Bill
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