Given today's information-rich environment, companies need more competent managers and analysts to apply quantitative thinking to make data-driven decisions. However, not everyone has the background to transform and utilize information into valuable and actionable insights. This course is aimed at making students comfortable with the methods in management science to improve their companies. This course applies spreadsheets to the business-driven contexts in operations, finance, and marketing. Through case studies and spreadsheet-based examples, students learn how to make a strong business recommendation based on analysis and modeling as appropriate.