Sales Calcz? is an easy-to-use, multi-function sales & marketing calculator for business, sales, marketing, and finance professionals. CALCULATES: - Markup - Margin - Price - Profit - Discount % - Discount $ - Sales Tax - Unit Price ESSENTIAL TOOLS FOR: - Business Owners - Sales & Marketing Professionals - Finance Professionals - Retailers, Merchandisers, and Buyers - Business Students Educational Discount Available.