The 10 Cm ruler with solar calculator and with 180 degree scale,It can be used as a calculator and a ruler, practical and adorable, suitable for school, home and office. Interesting multifunction student and office ruler. Combines 4 basic functions: ruler, calculator, magnifier, protractor. Pleasing gift to pupil and kids. The small solar calculator could perform basic computations to eight decimals.
Imprint Method: Screen Printed