• Solve the different math equations on the clock to tell the time.
• Non-ticking sweep second hand ensures quiet environment to work and sleep in.
• Perfect as gifts for math teacher, engineer, architect, mathematician or anyone who just loves numbers.
• High quality engraved lettering.
• Black and white design make it easy to read and complements any decoration.
• Requires 1 x AA battery (not included).
• Comes assembled.
• Measures 11.8" x 11.8" / 30 cm x 30 cm, W x H

The Silent Math Equations Wall Clock is the best choice for anyone who wants to finish off the look of their room with a little geeky flair. With its hours marked by simple math equations, solve the formulas for the answer to tell the time! Powered by battery with no wires or cords needed.