VPN decryption utility designed to parse, decrypt complex VPN and proxy configuration files

XIRR and a finance toolkit for Ruby: internal rate of return for cash flows on arbitrary dates, plus time-value-of-money, bonds, depreciation, rate conversions, and performance metrics. Built on a safeguarded-Newton solver with an optional native extension.

Net Present Value (NPV) Simulation for Python

Finance R program - bond pricing, option pricing, and others

MATLAB code and data for the article Ildar Daminov, Anne Blavette, Salvy Bourguet, Hamid Ben Ahmed, Thomas Soulard, Pierre Warlop, "Economic performance of overplanted offshore wind farm under several commitment strategies and dynamic thermal ratings of submarine export cable," in Applied Energy, 2023, https://doi.org/10.1016/j.apenergy.2023.121326

Financial calculations in Elixir — XIRR/IRR, NPV, time value of money, bonds, depreciation, and return metrics

🧮 BA II Plus financial calculator — TVM, NPV, IRR, STO/RCL, CF worksheet. Zero dependencies. GitHub Pages ready.

Get NPV same as that of excel NPV calculations.

Evaluates the viability of a software project that uses the RUP methodology, considering the following aspects: Net Present Value, Internal Rate of Return, Benefit/Cost and Capital Return Rate

Excel-style time value of money and cash-flow formulas. This is a modern rewrite of tvm-financejs by kgkars.

BD Match Pro · Pharma BD valuation & buyer matching tool · by Rapha Health

Professional Excel training workbook covering 57 formulas — Text, Lookup, Statistical, Financial, Logic, and Math formulas with real-world examples

Financial modelling including P&L, Balance Sheet, Cash Flow, NPV, IRR, sensitivity snalysis

Toolkit for Fixed Income instruments

This is a capital budget project show casing the feasibility analysis of using solar energy without batteries and installation of the batteries late where IRR is calculated, the NPV for a period of 20 yrs and the discount pay back over the period

GateSignal — local-first decision support for new-product investment gates: criteria, evidence, scenario NPV, ATR volume bridge, risk triage, and an honest go/hold/rework/kill brief

Generalised cash flow quantification tool to compare renewable energy supply chains

Discounted Cash Flow (DCF) Valuation Model (Python-based)