87814984
Feb 28, 2018
Nov 13, 2018
Active Trademark
Educational software for teaching in the field of mathematics; Downloadable electronic books in the field of mathematics
Electrical and Scientific ApparatusPrinted materials, namely, a series of educational books in the field of mathematics
Paper Goods and Printed MatterEducational services, namely, teacher and student training in the field of a systematic method for teaching mathematical comprehension
Education and Entertainment