What is Power BI? A Complete Beginner’s Guide to Features, DAX & Uses (2026) If you work with data — or you want to — you’ve probably heard the name Power BI at least once. Maybe your manager mentioned it. Maybe you saw it on a job description. Or maybe you’re just curious about what all the fuss is about. Well, you’re in the right place. In this guide, we’re going to cover everything you need to know about Power BI — what it is, what it does, how to install it, how it compares to Excel, and how to write your first DAX formula. Whether you’re a complete beginner or someone who has used Excel for years, this guide is for you. Let’s get started! What is Power BI? Power BI is a business intelligence and data visualization tool developed by Microsoft. In simple words, it helps you take raw data — from Excel files, databases, websites, or apps — and turn it into beautiful, interactive reports and dashboards Instead of staring at boring rows and columns in a spreadsheet, Power BI lets y...
Starting Data Science from zero—one step, one skill, and one dataset at a time How to Start Data Science from Zero Data Science is one of the most popular and high-paying career options today. But many beginners think, “I don’t know coding” or “I am bad at math, can I still learn data science?” The good news is yes, you can start Data Science from zero — even if you are a complete beginner. In this article, I will explain what data science is, what skills you need, and how you can start step by step in very simple language. What Is Data Science? (Simple Explanation) Data Science means finding useful information from data . For example: Netflix recommends movies based on your watching history Amazon suggests products you may like Companies predict future sales using past data All this is done using data + logic + tools . That’s data science. Who Can Learn Data Science? You can learn data science if you are: A student (BCA, BSc, BTech, non-tech also) A ...