How To Do
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Guides, explainers, and practical tips.
Financial
CAGR vs Absolute Returns: Why Your Mutual Fund Ads Are Misleading
Learn the difference between CAGR and absolute returns, why fund houses prefer one over the other, and how to evaluate returns honestly.
Fixed vs Floating Interest Rates: When to Pick Which
Understand the trade-offs between fixed and floating rate loans, when each makes sense, and how to decide for your situation.
The Rule of 72: Estimate How Fast Your Money Doubles
Learn the simple mental math trick to estimate how long it takes for an investment to double at any given return rate.
How to Read a Loan Amortization Schedule
Understand what each column means, spot how interest vs principal shifts over time, and use this knowledge to plan prepayments.
SIP vs Lump Sum: Which Strategy Wins Over 10 Years?
Compare SIP and lump sum investing with real scenarios, understand rupee cost averaging, and learn when each approach makes sense.
How EMI Is Calculated: The Math Behind Your Loan Payments
Break down the EMI formula step by step, understand what drives your monthly payment, and see worked examples for home and car loans.
Everyday Math
How to Calculate Tips Without a Calculator
Simple mental shortcuts for calculating tips at restaurants, plus a guide to tipping norms in different countries.
The Metric System vs Imperial: A Practical Conversion Guide
Quick reference conversions between metric and imperial units for length, weight, volume, and temperature with easy memorization tricks.
Mental Math Tricks for Percentage Calculations
Quick mental shortcuts to calculate percentages without a calculator, useful for shopping, tipping, and everyday decisions.
Health
Understanding Macros: Protein, Carbs, Fat Ratios for Different Goals
Learn what macronutrients are, how much you need for weight loss, muscle gain, or maintenance, and how to set practical macro targets.
How Much Water Do You Really Need? Myths vs Science
Debunk the 8-glasses myth, understand what actually determines your water needs, and learn to read your body's signals.
Why BMI Is Useful but Flawed (and What to Track Instead)
Understand what BMI actually measures, where it breaks down, and which health metrics give a more complete picture.
How to Calculate Your TDEE and Actually Use It
Understand Total Daily Energy Expenditure, how it's calculated, and how to use it for weight loss, gain, or maintenance.
Tech / Dev
Claude Code vs Cursor for a Non-Engineer: Which One to Start With
You're not a software engineer but you want to build something. Should you start with Claude Code or Cursor? An honest comparison from the perspective of someone who can't open a terminal without help.
Why I Stopped Using ChatGPT for Emails and Switched to Claude
I write 30-40 work emails a day. I tried ChatGPT, Gemini, and Claude on the same drafting tasks for 3 months. Here's why Claude won, what ChatGPT does better, and the workflow I landed on.
Debugging a Stack Trace with AI: The Workflow Our Log Analyzer Uses
Stack traces are noisy. AI is good at finding the real failure line — but only if you ask correctly. Here's the prompt structure our Log Analyzer uses and why it skips the cargo-cult 'paste your error here' approach.
What Our SQL Query Explainer Is Checking Under the Hood
AI SQL explainers are everywhere. Most just paraphrase the query. Here's what ours actually checks: index coverage, join order, subquery flattening, and the 6 anti-patterns it explicitly looks for.
How Our LinkedIn Post Generator Picks Engagement-Friendly Hooks
The first line of a LinkedIn post does 80% of the work. Here's the prompt logic our generator uses to pick a hook that doesn't feel AI-written, with examples of what works and what flops.
Understanding Color Spaces: HEX, RGB, HSL and When Each Matters
Learn the differences between HEX, RGB, and HSL color formats, when to use each, and how they relate to each other.
How to Debug with Regex: Real-World Examples
Practical examples of using regex for log analysis, data extraction, code refactoring, and debugging production issues.
Regex Cheat Sheet: 20 Patterns You'll Use Constantly
A practical regex reference with 20 patterns for emails, URLs, numbers, dates, and common text processing tasks.
JSON for Beginners: What It Is and Why It Matters
A beginner-friendly introduction to JSON, its syntax, common use cases, and how to read and write it correctly.
Base64 Encoding Explained: When and Why to Use It
Understand what Base64 encoding actually does, why it exists, common use cases, and when to use (or avoid) it.
Productivity
Time Zone Math for Remote Teams: A Practical Guide
Handle time zones without confusion: overlap calculations, meeting scheduling, and practical tips for distributed teams.
Writing Concisely: Why Word Count Matters More Than You Think
Practical tips for tighter writing, common sources of bloat, and why concise communication is a career advantage.
The Pomodoro Technique: Why 25 Minutes Works
Understand the science behind the Pomodoro Technique, how to implement it properly, and when to modify the intervals.
Personal Finance
12 ChatGPT Prompts Every Freelancer in India Needs
From tax-deductible invoice templates to client-onboarding emails to GST-compliance reminders — a curated prompt library specifically for Indian freelancers, with the actual text to copy and paste.
Compare Term Insurance Plans with ChatGPT (Without the Salesman)
Term insurance is the cheapest life cover you can buy in India, but the buying process is rigged with riders, claim ratios, and 47 sub-variants. Here's how to compare plans with AI in 15 minutes — what to ask, what to ignore, what to verify yourself.
AI Prompts to Negotiate Your Salary in India (with the CTC math)
Indian salary negotiation isn't just about the headline number. Here's how to use Claude or ChatGPT to model CTC trade-offs, draft counter-offers, and avoid the variable-pay traps that eat 20% of your apparent raise.
Read Your Form 16 with Claude in 2 Minutes (FY 2025-26)
Your Form 16 just landed. Don't squint at the PDF for an hour — paste it into Claude or ChatGPT, get a plain-English breakdown of every section, and know exactly what to put where in your ITR.
Draft an Indian Rent Agreement with ChatGPT (with the actual prompt)
Stop paying ₹2,000 to a lawyer for a standard 11-month rent agreement. Here's the exact ChatGPT prompt that produces a clean Indian rent agreement, plus the clauses you must check before signing.
Rent vs Buy in Indian Metros: A 2026 Reality Check
A hard look at the rent vs buy math in Bangalore, Mumbai, Delhi NCR, and other Indian metros with real 2026 numbers.
How to Compare Home Loan Offers (Beyond Just the Interest Rate)
The interest rate is just one factor. Learn what else to compare when evaluating home loan offers from different banks.
Emergency Fund: How Much Is Enough?
Calculate the right emergency fund size for your situation, where to keep it, and how to build it without disrupting your other goals.