because the slave owners would make alot of money from farming.
The BA II PLUS, our most popular financial calculator for business professionals and students. Finance and science capabilities include: 1  Time-Value-of-Money calculations. 2  Amortization schedules.3  Cash-flow analysis, NPV and IRR.4  Depreciation with four different methodologies.he BA II PLUS, our most popular financial calculator for business professionals and students. Finance and science capabilities include: 1  Time-Value-of-Money calculations. 2  Amortization schedules.
Even if the calculator is on, it's a good idea to press AC/ON to clear everything. Perform a basic calculation to get the hang of the second key. The key labeled 2nd selects the second function of the next key pressed. The second functions are located above the key.