“Mathematical Models & Teaching Aids” has been added to your cart. Continue shopping Product Price Quantity Subtotal ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Mathematical Models & Teaching Aids ₹150.00 Mathematical Models & Teaching Aids quantity ₹150.00 Coupon: Cart Totals Subtotal ₹570.00 9% CGST ₹37.80 9% SGST ₹37.80 Total ₹646.00 Continue Shopping Checkout