A new Class 9 mathematics textbook by the National Council of Educational Research and Training (NCERT) calls the Sindhu-Sarasvati civilisation the first systematic use of grid-based thinking, says ...
Sanjay Sharma / TOI Education / Apr 04, 2026, 13:48 IST ...
The new NCERT Class 9 mathematics textbook, 'Ganita Manjari', integrates ancient Indian mathematical systems and historical context, offering a fresh perspective on core mathematical concepts.
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