This is a Freeware CAP 371 calculator for the psion 3/3a. To install this program, copy the two files to your Psion Series 3/3a internal \APP\ sub directory. Then install it like any other application. The first time this is run, you are asked for the screen display and hours display, i.e. fixed wing or helicopters and hours & minutes or decimals. These can be changed later by pressing MENU and selecting the required option. I suggest the first thing that you do after loading the program is press HELP, it will give you a clue as to what is rewquired. To enter data just press ENTER and away you go. Any comments or improvement request, send them to me either via compuserve id 100271,2150, or direct to:- Haggis Computers Market Cottage Meikle Wartle Inverurie Aberdeenshire AB51 5AA Tel & Fax +44 (0)467 671243