Welcome to the world of investing!
'BuyNurse' is an essential tool for stock and cryptocurrency investors.

Key Features:
1. Accurate Average Cost Calculation: Precisely calculates the changing average purchase price when adding to your stock or crypto positions.
2. Investment Record Management: Conveniently record and manage all your transaction history.
3. Performance Sharing: Enjoyably share your investment performance with others, including return rates, average purchase price, and profit/loss amounts when making additional purchases.
4. Multi-language Support: Offers various language options for global investors.
5. Multi-currency Support: Enables calculations in multiple national currencies.

We hope this helps with your investments.