Encourages students in the third through sixth grades to develop their problem-solving skills and begin connecting mathematical concepts. Displaying two forms of fractional results simultaneously allows students to begin making crucial mathematic connections. They can simplify fractions to lowest terms automatically or step by step. Calculator converts improper fractions, fractions, mixed numbers, decimals and percent and perform operations in M-D-A-S order. Built-in flash cards challenge their addition, subtraction, multiplication and division skills. Set the flash cards for the appropriate age and type of operation.  Design includes an impact-resistant cover; hard plastic color-coded keys; two-line display -11 digits per line and dual power source (battery and solar)