Multi functional scientific calculator. Multi-replay function. 2-line display, 240 Total functions, Statistical calculations with STAT data editor. Auto power off, Fraction calculations. Expression and its result can be displayed at the same time. Suitable for KS3, KS4 and above Ages 11 and over, S-V.A.P.M Operating System. 164 scientific functions Mantissa EXP, 12 2 9 memories. Formula memory: 79 bytes Multi-replay Degrees Radians Gradians . .