How to use Formulas and Functions in Microsoft Excel

Formulas for Trigonometric Functions: Sum/Difference, Double/Half-Angle, Prod-to-Sum/Sum-to-Prod

How to Calculate the Sum in Multiple Excel Tables at Once?

Sum multiple rows/columns individually (with one formula) in Excel

Before… You Need To Learn How To 📢 1️⃣ Clear, linear plot -> Non-linear, layered storytelling: Start by writing simple, three-act stories. Progress to multiple timelines after mastering structure and pacing. 2️⃣ Creating a compelling, consistent hero -> Complex anti-hero character arcs: Start with straightforward protagonists. Once you can make readers care, experiment with morally ambiguous motivations. 3️⃣ Writing clear, direct speech -> Subtext-heavy dialogue: Practice dialogue that conveys