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.
Access the H&R Block calculator (see Resources). Enter whether you are filing single or married, then your age at the end of the year, number of dependents, their ages and if they are students. Step. Enter your estimated wages, then your estimated taxes at the end of the year. You are then ready to add income from any other sources such as interest, stocks, self-employment income or Social Security. Step. Estimate tax-deductible expenses. Fill out how much you will spend in state taxes, real estate taxes, mortgage interest and charitable deductions.