The ultimate mortgage spreadsheet calculator. The first Windows upgrade of the Matrix Calculator orginally included with the F.L.A.P. mortgage software. Calculate payments, loan amounts, terms, or interest rates on up to a 50x50 scrollable grid. Twelve different configurations available for monthly and biweekly mortgages. Generate loan summaries and amortization schedules for any answer on the grid. Print, copy, and save the grids, loan summaries, and amortization schedules.