--- Start of Idrisi List message If you know your current latitude and longitude, the direction you are traveling and the distance you want to travel how do you figure out what the new latitude and longitude will be? I need a formula to use in an excel spreadsheet. Ronald L. White Geo-Marine, Inc. 3160 Airport Rd, Suite 22-A Panama City, FL 32405 --- End of Idrisi List message IDRISI-L is an unmoderated list. As a service to list users, please post a summary of useful responses to your questions. To post a message to IDRISI-L, send it to [EMAIL PROTECTED] To subscribe to the list, send an email from the address to be subscribed to [EMAIL PROTECTED] with "subscribe" (without quotes) as the first line of the message body. To unsubscribe, do the same, only with "unsubscribe" as the first line of the message body. The list is archived at http://www.mail-archive.com/idrisi-l%40clarklabs.org/.