Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
Automatic computing-pen is a pen which will calculate
automatically on the basis of trace of writings.The pen is fixed with ordinary pen-core and can be used as sign pen.When the automatic computing-pen is used to write arithmetic expression,it will catch writing trace automatically.When the writing is finished,as long as you press the button,the inductor in the pen will calculate according to writing trace and then the projector will give you right answer.
Zhejiang University
Hangzhou, ZHEJIANG PROVINCE, China
Zhejiang University
Hangzhou, ZHEJIANG PROVINCE, China
Zhejiang University
Hangzhou, ZHEJIANG PROVINCE, China
Liu simin,
Tang zhichuan