Speak And Math

Speak and math with braille imprinted controls. Electronic voice output provides instruction, reads, answers and gives encouragement for correct solutions. Develop fundamental skills with more than 100,000 problems in addition, subtraction, multiplication, simple geometry and algebra. Games and levels of difficulty to help stimulate learning with option modules. Includes an activity book and plug in earphones. Forty keys, 5/16 inch in diameter, spaced 9/16 inch center to center. Four C cell batteries or AC power adapter. 7 by 10 inches, 3 pounds.