Investors Leverage Effects Financing Calculator. Decisions about Financing. ..................................... Breakeven Point Analysis. Estimating the potential profitability of a real estate investment ..................................... Comparing Investments using Internal Rate of Return and Net Present Value ..................................... Investment Property Calculator ..................................... Mortgage Amortization Calculator ..................................... Interest Only Mortgage Calculator ..................................... Loan Comparison Calculator. Leverage Effects. ..................................... Refinancing Mortgage Calculator ..................................... Depreciation Calculator