An incredibly simple, 'you gotta see it' freeware. Features a complete help system with individual tips for all but the most ordinary functions. Also includes a running tape display. A yearbook function is available which displays the times of the tides each day, between two dates. The yearbook can be printed, and it is very easy to add new ports in the database.
Tides also calculates the moon phases and the tide's coefficients.
The shareware version is unlimited but calculates the tides for only 50 ports in the world. For Windows 95. But if that's not enough MC98 has calculator, notepad, Always on top option, Save window position option, and a built in clock and date. The main focus of the development of AepCalc was towards usability, but with an eye towards aesthetics. Of the 7 items that determine your lease payment, you enter any 6 into this software and the program solves for the unknown value.