The ability to do arithmetical calculations in your mind is important for all students, but especially for the blind and visually impaired. We'll take a look at the tactile math tools used by the blind and visually impaired and learn some techniques for making lightning fast calculations without the help of pen and paper, calculator, or computer. Free to the public, but registration is required. Call 899-2213 or email kcarpenter@aph.org by September 16 to register. For adults and young people ages 10 and up.