Key Features

  • Brain Exercising Calculator keeps minds active
  • Easily choose math drill increments
  • Performance Tracker tracks scores on speed / accuracy
  • Large 10-digit display
  • Twin powered
  • Percent and tax keys
EL-T100AB Math Skills Calculator
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The EL-T100AB "Brain Exerciser" helps keep minds active with simple but challenging math drills that test your math skills. Scores are based upon speed and accuracy level, which provide a brain's fitness level. Great for anyone who wants to brush up on simple math skills or exercise their brain!


  • Brain Exerciser Feature - Brain Exerciser feature helps keep adult minds active with a simple but challenging math drill.
  • Brain Age Measurement - Assesses the age of the user's brain.
  • Performance Tracker - When the problems have all been answered, the user is given a score based upon speed and accuracy of responses. To add a competitive kick, the top three scores are stored in the calculator's memory.
  • Drill Questions - Easily choose the number of math drill problems in increments of 25, 50 or 100.
  • Additional Features - For everyday necessities, Brain Exerciser also provides standard calculator functions with percent, square root and sign change key, tax key for simplified tax calculations and right shift key for easy corrections.

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