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.
Steps. 1  1. Type the equation onto your calculator after pressing Y=. 2  2. Hit graph to see your function come to life! 3  3. Press second and then calc (usually the second option for the Trace button). 4  4. Press min or max.  5. Notice where the vertex 1  is. 6. Drag the cursor to the right of the vertex and press enter again.