Fraction calculator invented by 12-year-old now Amazon’s Free App of the Day It started with some frustation over math homework at the dining room table, but now, the ideas of 12-year-old Isabel… Read More
Father, 12-year-old daughter team up to make best-selling calculator app One day after school, Isabel Hughes was looking over math homework with her dad. The 12-year-old wanted to use a… Read More
