“∑n2 = n(n+1)(2n+1)/6” has been added to your cart. Continue shopping Product Price Quantity Subtotal Make a Circumpolar Constellation Dial (50 Nos.) ₹350.00 Make a Circumpolar Constellation Dial (50 Nos.) quantity ₹350.00 Gravity Tower ₹1,000.00 Gravity Tower quantity ₹1,000.00 ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Coupon: Cart Totals Subtotal ₹1,770.00 9% CGST ₹127.80 9% SGST ₹127.80 Total ₹2,026.00 Continue Shopping Checkout