When I first opened Excel, I saw rows and columns.......nothing more.Over the past two weeks ,I have discovered that Excel is a gateway to understanding data, and it's completely transformed how I think about any information that comes across me .

My biggest discovery came when I realized that Excel is a thinking tool and that is because every function that i learnt taught me how to ask better questions of my data.

The Functions That Changed Everything

SUM and AVERAGE were my first steps. I used SUM to find total salary across a quarter and AVERAGE to find the mean performance score of employees. Simple, but suddenly numbers meant something. They told stories.

Then came COUNTIF—a game-changer. When I needed to count how many employees had been promoted after certain period of time , COUNTIF did it instantly. In real business decisions, this becomes powerful: "How many students scored above 80%?" or "Which months had sales below target?" becomes answerable in seconds.