A feature-packed and exceptionally flexible mortgage spread calculator for comparing various loan conditions. Calculates payments, loan amount, interest,and terms on 2-D grids from 1X1 to 50X50. 12 different configurations for both monthly and biweekly loans. Prepare cost summaries and amortization schedules for any answer on the grid. Include fees and closing costs. Highlight ranges of answers on grid. Print, copy, export and save grids and amortization schedules. This upgrade allows addition of extra and balloon payments and generation of amortization plots.