“∑n2 = n(n+1)(2n+1)/6” has been added to your cart. Continue shopping Product Price Quantity Subtotal Newton’s Cradle (large) ₹3,500.00 Newton’s Cradle (large) quantity ₹3,500.00 Focault's Pendulum ₹950.00 Focault's Pendulum quantity ₹950.00 Make a Circumpolar Constellation Dial (50 Nos.) ₹350.00 Make a Circumpolar Constellation Dial (50 Nos.) quantity ₹350.00 ∑n2 = n(n+1)(2n+1)/6 ₹420.00 ∑n2 = n(n+1)(2n+1)/6 quantity ₹420.00 Coupon: Cart Totals Subtotal ₹5,220.00 9% CGST ₹438.30 9% SGST ₹438.30 Total ₹6,097.00 Continue Shopping Checkout