Texas Instruments LPROFSOLAR Little Professor Solar Calculator
Brand: Texas Instruments

The fun way to stimulate learning through mental calculations. Does not perform calculations, but suggests problems with the 4 operations and checks the answer entered by the child. Gives scores for correct answers and visual rewards when 5 problems are answered correctly. Select between +, -, * and / and from 5 levels of difficulty.

Four basic operations: addition, subtraction, multiplication and division.
Five levels of difficulty, from 'very easy' to 'very difficult'.
Includes over 50,000 pre-programmed tasks.
Awards a star for each correct answer and smiles when five sums are answered correctly.
Robust housing and solar powered cells.