XIRR Stock Valuation Software

I need a computer system set up exclusively for my stock accounts, with one clear objective: precise stock valuation. My workflow relies on the XIRR method rather than the typical FIFO, LIFO, or weighted-average... (Budget: ₹100 - ₹400 INR, Jobs: Accounting, Data Management, Data Processing, Data Visualization, Excel, Financial Analysis, Financial Software Development, Software Development)