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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
27 stars 4 forks source link

add shortcut formula for pv when mprog != 0 #51

Open genedan opened 4 years ago

genedan commented 4 years ago

right now it defaults to using npv, but execution speed can be increased if we use the shortcut formula