Casio PB-200 (1983)

Sharp 1246 (1984)

HP 28C (1986)

Casio FX-880P (1990)

HP 32SII (1993)

HP 48G (1995)

Casio FX-6300G (1997)

Casio FX-9750G (1998)

HP 49G (1999)

Sharp 1475 (1988)