Programmable calculator to use magnetic strips were the HP-41C and TI-59. Continuous memory does not lose its content when the calculator is switched off. With continuous memory the user can, for example, change batteries without losing the entered programs. Compact Cassettes offered a simple, inexpensive alternative to magnetic cards. Usually, an interface module, such as the Casio FA-1, was used to connect the calculator to an ordinary cassette recorder and digital data were encoded as frequency-shift keyed audio signals. Sharp and Hewlett-Packard also sold dedicated micro- or mini-cassette recorders that connected directly to the calculator. These set-ups, while being more practical and
Compact car 1500 twins, offered by the British Motor Corporation from 1957 to 1965. Germany's Lloyd Arabella, later Borgward Arabella, was available from 1959 to 1963 and was available in 'de Luxe' trim with a higher powered engine. All these cars offered more style, higher performance and greater luxury than the economy cars available from competitors. The 1981 Triumph Acclaim was British Leyland's first upmarket compact car created in collaboration with Honda and was replaced in 1984 by the Honda Civic based Rover 200-Series. The latter was marketed directly at the entry-level BMW 3 Series. Rover continued to offer more upmarket compact