# Satoshi Research > Satoshi Research provides advanced Bitcoin financial simulators, yield calculators, and analytical tools for investors and HODLers. ## Full Documentation - [Satoshi Research Full Context](https://www.satoshi.co.il/llms-full.txt): Comprehensive AI context, technical details, and use cases for all tools. ## Live Apps & Simulators - [Buy Borrow Die Simulator](https://www.satoshi.co.il/buy-borrow-die): 20-year Bitcoin collateralized retirement solvency model. - [Bitcoin Covered Calls Explorer](https://www.satoshi.co.il/bitcoin-yield-explorer): Low-risk Bitcoin options yield calculator. - [Stack Multiplier](https://www.satoshi.co.il/stack-multiplier): Recursive Bitcoin leverage and liquidation simulator. - [Bitcoin DCA Calculator](https://www.satoshi.co.il/bitcoin-dca-calculator): Historical dollar-cost averaging performance analyzer. - [Bitcoin Regret Calculator](https://www.satoshi.co.il/bitcoin-regret-calculator): Historical opportunity cost and fiat comparison. - [Bitcoin Halving Countdown](https://www.satoshi.co.il/bitcoin-halving-countdown): Real-time network supply reduction tracker. - [Transaction Fee Explorer](https://www.satoshi.co.il/bitcoin-transaction-fees): Live mempool transaction fee optimization. - [Bitcoin Mining Explainer](https://www.satoshi.co.il/bitcoin-mining-explainer): Educational guide to proof-of-work consensus.