Product Quantity Subtotal Introduction to Fourier Optics $19.95 1 × $19.95 1 $19.95 Calculus 8th Edition $20.00 1 × $20.00 1 $20.00 Large Language Models: Integrating Theoretical Foundations with Practical Applications $16.49 1 × $16.49 1 $16.49 Update cart Cart totals Subtotal $56.44 Total $56.44 Proceed to checkout