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Nice! This is my implementation: https://github.com/ironcalc/IronCalc/blob/main/base/src/functions/financial_util.rs#L8-L47 https://github.com/ironcalc/IronCal
by nhatcher 11mo ago
Nice! This is my implementation:
https://github.com/ironcalc/IronCalc/blob/main/base/src/functions/financial_util.rs#L8-L47 https://github.com/ironcalc/IronCalc/blob/main/base/src/func...
although at this moment would only pass some "smoke" tests
RowZero is great!
- gamegoblin 11mo agoI started with basic Newton-Raphson solver too but found cases where it diverges but Excel somehow doesn't, so concluded that Excel has some kind of extra logic to handle more cases, so I also bolted on more fallback logic.