> For the complete documentation index, see [llms.txt](https://docs.fiinquant.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fiinquant.vn/fiinquant-en/practical-application.md).

# PRACTICAL APPLICATION

- [Data retrieval](https://docs.fiinquant.vn/fiinquant-en/practical-application/data-retrieval.md): Examples of historical data retrieval
- [Retrieve and save real-time data to Google Sheet](https://docs.fiinquant.vn/fiinquant-en/practical-application/retrieve-and-save-real-time-data-to-google-sheet.md): Examples related to retrieving real-time data and saving it to Google Sheets
- [Signaling model](https://docs.fiinquant.vn/fiinquant-en/practical-application/signaling-model.md)
- [Quantitative model](https://docs.fiinquant.vn/fiinquant-en/practical-application/quantitative-model.md)
- [Screening model](https://docs.fiinquant.vn/fiinquant-en/practical-application/screening-model.md)
- [Investment strategy](https://docs.fiinquant.vn/fiinquant-en/practical-application/investment-strategy.md)
- [AI/ML model](https://docs.fiinquant.vn/fiinquant-en/practical-application/ai-ml-model.md)
- [Other models](https://docs.fiinquant.vn/fiinquant-en/practical-application/other-models.md)