A Unique And Fun Way To Track Hours Each hour of the math wall clock marked by a simple math equation instead of the traditional numbers Its unique and very much the conversation piece Silent Non Ticking Mechanism Our math clock with mathematical expressions use silent quartz non ticking sweeping mechanism Enjoy a quiet environment The precision movement ensures accurate timekeeping with a second hand included Battery Operated This 12 inch math equation wall clock requires an AA battery not included Using regular carbon zinc batteries will keep the math equations and notations wall clock working properly and last longer High Quality Easy To Hang The wall clock for math class is made of acrylic sturdy and lightweight There is a recess on the back of the mathematics chalkboard wall clock for easy hanging Great Math Clock For Class This unique classroom clock is math gift for math teachers math teacher engineer math nerd college kid mathematician or anyone who just loves numbers Nerdy math clocks for math class classroom office study room college dorm room library bedroom Clock for a teacher