Enter the number of intervals: (0 quits) pi is approximately 3.1416009869231249, Error is 0.0000083333333318 Enter the number of intervals: (0 quits) pi is approximately 3.1415927369231267, Error is 0.0000000833333336 Enter the number of intervals: (0 quits) pi is approximately 3.1415926544231239, Error is 0.0000000008333307 Enter the number of intervals: (0 quits) pi is approximately 3.1415926535981167, Error is 0.0000000000083236 Enter the number of intervals: (0 quits) pi is approximately 3.1415926535899033, Error is 0.0000000000001101 Enter the number of intervals: (0 quits)