Texas Instruments TI-LPROF Calculator TI-Little ProfessorThe Little Professor is a fun way to stimulate learning through mental calculations. Gives scores for correct answers and visual rewards when 5 problems are answered correctly Select between +, , * and and from 5 levels of difficulty The Little Professor is a learning tool similar to electronic flashcards Solar powered GeheugenOpslagmedia type: Niet beschikbaar Beeldscherm Cijfers: 8 cijfers Beeldscherm kanteling: Nee Tekstregels: 1 regels Tweede LCD