During the summer don’t forget to get your supplies for next year. Math: Scientific calculator, solar powered preferred, (est. $10-$15), Texas Instruments Model TI-30 series calculators also works well. Math/Reading/Science: Each of these classes needs a 3-ring binder (1″ wide with hardcover) to be used for one subject only.English: 3-ring binder (1.5″ wide with hardcover). History: Single-subject notebook with separate pocketed folder.