The ORCA Python Interface (OPI) is a Python library to create input and parse output of ORCA. It is designed as an open source community effort to make ORCA calculations as accessible as possible and ...

Transform your AI interactions with a powerful personal prompt library that integrates seamlessly with Claude, ChatGPT, Gemini, and Perplexity. Store, organize, share, and instantly insert your best ...

These open-source MMM tools solve different measurement problems, from budget optimization to forecasting and preprocessing.

Discover 17 new Excel features and functions for 2026, so you track edits and data faster. Including auto-refreshing pivots ...