Math Clock, Mathematical Formula Wall Clock

It's Time To Go Back to School Math Wall Clock Mathematical and Algebraic Formulas Tell the Time Battery Operated Wall Clock 12 " Diameter An ideal gift for teachers or students or a fun way to prepare your house for "home schooling,"  our Math Formula Wall Clock is lightweight, runs on batteries and is incredibly accurate (within just seconds per year).  FEATURES and SPECIFICATIONS: A FUN WAY TO TEACH MATH AND TELL THE TIME Instead of Arabic or Roman Numerals to mark each hour, the Gemday Math Wall Clock has a different equation (absolutely correct, of course) at each hour marker. Model A-93-20205 Quartz Movement (Battery Operated) Extremely Accurate to Within Seconds a Year Uses 1 AA Battery (not included) Primary Clock Material: Plastic Black Clock Dial Uses Math Equations to Calculate the Correct Hour at Each Hour Marker Equations in White for Easy Reading The Perfect Gift for Teachers, Schools, Mathematicians, Scientists Or Anyone Who Loves Math Chrome Hour and Minute Hands