The Sharp EL-5150

Display: LCD, 24 digit alphanumeric display (numbers as 10+2 in sci. not., 12 digit precision)

Power: 3 CR-2032 batteries (one for memory backup)

Adv. Functions: Trig, hyperbolics, logs, probability, statistics, number bases

Memories: 27

Programming: "Algebraic Entry Reserve," with subroutines - 10 "formulae" up 2Kb in size

Comments: A fabulous calculator - as unique in functionality as it is in looks! (follow this link for a super big image taken with my scanner)