P.Taylor at Rhul.Ac.Uk
Wed Nov 23 15:38:57 CET 2005
Joanne Snow asked the same question in 2003,
but she did gloss the half-box :
> Does anyone know how to type the half-box that that is used in actuarial
> or financial math as part of the subscript for the present value of an
> annuity? I want to be able to type ``a subscript n with a half-box (top
> and right side)" around the n. I have 2 awkward methods--neither of
> which satisfies me.
> Thanks. Joanne Snow
Uwe Lück wrote:
> Hello Wickes,
> At 07:17 21.11.05, Wickes Robbertse wrote:
>> I'm trying to find a command or package to facilitate actuarial
>> notation in LaTex, i.e. for an ordinary annuity a_n the n is placed in
>> a halfbox.
> some more people may be able to help you if you explain
> what a `halfbox' is. My dictionaries don't tell me.
> (To be sure, Google shows many pages, but they all seem
> to presuppose that readers know what a halfbox is.)
> Non-English speakers may as well not know what an `annuity'
> and `actuarial' are. And some readers of this list may know what
> `actuarial' is, but still not what `actuarial notation' is.
> I also wouldn't be surprised to learn that there are different
> national traditions concerning such notation.
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