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Chanchal Dass FIE

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A new technique of teaching and learning mathematics in 21st century: Geometric way of teaching and learning mathematics using technology (DassMath Series)
The Evolution of Number Systems For Class-1 to 12 Students
My Quest For Eigenvectors: Linear Algebra From A New Perspective (DassMath Series)
2D Modeling and Animation: Learn mathematical and scientific concepts through modeling and animation in MS Excel (DassMath Series)