The Model Zoo of Cognitive Diagnosis Models, including classic Item Response Ranking (IRT), Multidimensional Item Response Ranking (MIRT), Deterministic Input, Noisy "And" model(DINA), and advanced Fuzzy Cognitive Diagnosis Framework (FuzzyCDF), Neural Cognitive Diagnosis Model (NCDM) and Item Response Ranking framework (IRR).

Парсинг сайтов недвижимости

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.

Check Internet route origin using RPKI and IRR databases

XIRR (using Python) to calculate return on investments done at different time periods which need not be periodic.

An EOS agent to dynamically update IRR based prefix-lists

Portfolio Analytics

ISOC Lab Manager

A command-line interface to query and explore IRR & BGP data from IRRexplorer.net in real-time.

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

Powerful, modern Dart library for precise instalment credit calculations - from simple loans to advanced amortisation schedules.

XIRR (using R) to calculate return on investments done at different time periods which need not be periodic.

RPSL syntax parser library

XIRR calculations on Go

Rust IRRd query protocol client library

PyFDA Web: A web app for IIR/FIR filter design, pole/zero analysis, and fixed-point simulation, powered locally by Python in your browser.

Kupper-Hafner inter-rater agreement calculation library

Simple, fast IRR-based prefix-list generator

BC Heritage Branch Arches configuration, schemas and extensions.

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