Cart Shopping Cart My Store Account Orders Downloads Shopping Cart Remove item Thumbnail image Product Price Quantity Subtotal × 3310. SumMassProps - An Excel VBA Solution for Summing Mass Properties $20.00 3310. SumMassProps - An Excel VBA Solution for Summing Mass Properties quantity $20.00 × 3327. Mass Properties In VTOL UAV Conceptual Design Software, Part 1: Overview and Beneral Algorithims $20.00 3327. Mass Properties In VTOL UAV Conceptual Design Software, Part 1: Overview and Beneral Algorithims quantity $20.00 × 3311. Weight Risk Using Uncertainty Analysis for a Marine System $20.00 3311. Weight Risk Using Uncertainty Analysis for a Marine System quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $60.00 Tax $0.00 Total $60.00 Proceed to checkout