As an experienced software developer with a strong background in Excel, I believe I am the ideal candidate for your project. With over two decades of experience, I have created numerous modules and developed data analysis tools using Excel for organizations like UNO and WHO. My proficiency in MS SQL Server, MySQL, ASP.NET, C#, and other relevant technologies would be invaluable in handling your project effectively.
What sets me apart is my ability to not just create functionalities but also ensure their efficacy in real-world situations. Understanding your need for efficient text and date entry mechanisms, arithmetic calculations, and automated alerts, I assure you that my solutions will be carefully crafted to meet your specific requirements.
Moreover, my mastery in data visualization tools would greatly aid in creating clear and insightful chart and graph visualizations from the entered data. So let's leverage my expertise and together we'll develop the planning module that meets all your needs and guarantees an active management tool.