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.
Calculator Use. This adding machine calculator is useful for keeping a running total or paper tape when adding or subtracting money as in balancing your checkbook, doing your taxes, or any other calculation where you need to double check your entries. Input values and operators in the calculator, and review your math above.