RELOADABLE NONVOLATILE MEMORY, NAVIGATION DEVICE USING SAME, AND MEDIUM FOR RECORDING NAVIGATION PROGRAM THEREIN

摘要

PROBLEM TO BE SOLVED: To secure a work area according to the amount of data from which a selection is made and to prevent destination selection and route selection from being redone due to interruption. SOLUTION: At least data 2 from which a selection is made and a selection work area 3 are combined into a set. A plurality of such sets are recorded on a reloadable nonvolatile memory 1.