<?php // Periods, Payment, Present Value, Future Value, Type, Guess, Result return [ [ 0.0077014724882014003, 48, -200, 8000, ], [ 0.046781916422493401, 60, -6000, 120000, ], [ -0.020442952219356499, 60, -1000, 120000, ], [ 0.015130843902343399, 24, -250, 5000, ], [ 0.016550119066711999, 24, -250, 5000, null, 1, ], [ 0.087499997684093694, 208, -700, 8000, ], [ 0.087113755605863596, 10, -1000, 6500, ], [ 0.048472127283572801, 6, -1000, 100000, -126068, ], [ 0.030272873827543501, 6, 1000, 100000, -126068, ], [ 0.030272873827543699, 6, -1000, -100000, 126068, 0, ], [ '#NUM!', 0, 1, 8000, ], [ '#NUM!', 208, -700, 8000, 0, 0, 0, ], [ -1.000125, // Excel says #NUM!, but I believe this is correct 1, 1, 8000, ], [ 6.9258100553578E-10, 208, -700, 137600, 8000, ], [ 0.00054607632544395, 208, -700, 137600, ], ];