How does a man go about calculating the optimal investment strategy for his retirement savings?

To calculate the optimal investment strategy for retirement savings, a man should consider factors such as his age, risk tolerance, financial goals, and time horizon. He can consult with a financial advisor to create a diversified portfolio that balances risk and return, taking into account his individual circumstances and preferences. Regularly reviewing and adjusting the investment strategy as needed can help ensure that his retirement savings grow effectively over time.