**TI85** Program file dated 12/22/98, 16:35˜ ‹LINES‹‰ìoç4xi/4yi/4xf/4yfoé-Distance=oé 4xfa4xiJ`4yfa4yiJoé-Slope=oé4yfa4yiq4xfa4xiné-Midpoint=oé4xi`4xfqD2/4yi`4yfqD2oãoooõ2