genedan / TmVal

Time Value of Money - a Python package for mathematical interest theory, annuity, and bond calculations.

https://genedan.com/tmval/docs

genedan/TmVal Issues

Could not find a version that satisfies the requirement dateutil
Closed 3 years ago2
paymentize method - consider more complex cases when times and amounts might be callable
Updated 4 years ago
incorrect mid-period outstanding loan balance for simple loans
Updated 4 years ago
In bond class, change prior_coupons() return type to annuity
Updated 4 years ago
add semipractical clean price
Updated 4 years ago
Solve for aprog in nonlevel annuities with arithmetic progression every m payments
Updated 4 years ago1
for Amount.t_solver, handle multiple roots
Updated 4 years ago
write function to compare two amount functions
Updated 4 years ago
check dirty value formula when j_tilde not equal to j
Updated 4 years ago
support clean and dirty prices for nonlevel coupons
Updated 4 years ago
cannot initialize annuity with 0 payments
Updated 4 years ago
add bond amortization support for nonlevel coupons
Updated 4 years ago
add inflation adjustments
Updated 4 years ago1
in the case of fixed principal loan payments, offer ability to calculate balloon and drop payments
Updated 4 years ago
When Loan.amortization is called when sinking fund is present, should return the amortized equivalent
Updated 4 years ago
handle arbitrary payment rates with continuously paying annuities
Closed 4 years ago
Re-add delta_t
Closed 4 years ago1
Rework interest rate conversions using Rate class in docs
Closed 4 years ago1
Rework Payments class documentation
Closed 4 years ago1
Allow initialization of Annuities using number of payments
Closed 4 years ago1
Move NPV article to value chapter
Closed 4 years ago1
Rework APR/APY examples
Closed 4 years ago1
Check Payments.dollar_weighted_yield() vs Payments.irr()
Closed 4 years ago1
add shortcut formula for pv when mprog != 0
Updated 4 years ago
Add delta_t to the notation guide once it's implemented
Updated 4 years ago
For nonlevel/nonstandard annuities, payments might need to be grouped
Updated 4 years ago
possibly deprecate Annuity.pt_bal()
Updated 4 years ago
Rework simple interest examples in docs
Closed 4 years ago1
allow more complex growth functions to be applied to compound solver
Updated 4 years ago
allow composition of different investment classes
Updated 4 years ago
Simple interest/discount may cause equation of value problems and issues for classes that depend on it
Updated 4 years ago
Fix checks for compound and level interest in Amount class
Updated 4 years ago
Add validation to make sure tiers in TieredBal, TieredTime classes are in order
Updated 4 years ago
enable pv and sv annuity methods to handle general accumulation functions
Updated 4 years ago1
Allow get_loan_pmt to solve for general accumulation functions
Updated 4 years ago
Define __repr__ for Payments class
Updated 4 years ago
Initialize classes by passing a solver
Updated 4 years ago
Break up solvers into different functions.
Updated 4 years ago
Create unit test for Rate relational operators
Updated 4 years ago
Create unit test for Rate arithmetic operators
Updated 4 years ago
Emulate arithmetic type for Rate class
Closed 4 years ago1
check argument consistency for interest-discount conversion formulas
Closed 4 years ago1
check arguments for rate converter
Closed 4 years ago
allow instantiation of compound interest rate by supplying a float to Rate()
Closed 4 years ago1
refactor cases for convert_rate
Closed 4 years ago1
create generalized GrowthRate class
Closed 4 years ago
generalize compound solver to accept any kind of compound growth rate
Closed 4 years ago
rate conversion names should be consistent
Closed 4 years ago
calculate delta_t for any function
Updated 4 years ago
create alternative discount options for npv function
Updated 4 years ago