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genedan / TmVal

Time Value of Money - a Python package for mathematical interest theory, annuity, and bond calculations.
https://genedan.com/tmval/docs
GNU General Public License v3.0
30 stars 4 forks source link

create alternative discount options for npv function #20

Open genedan opened 4 years ago

genedan commented 4 years ago

currently only accepts a discount function, although it works if payments already have discount factors provided

but, if payments do not have discount factors attached, then we should be able to supply just an interest rate or accumulation object/function as well