Math

Picking the wrong domain name can quietly hurt your traffic and branding for years. Follow these seven rules before you register anything.

HRA can shield a big chunk of your salary from tax — but only if you calculate it correctly and keep the old regime. Here is the exact formula, with worked numbers.

Gratuity is a lump-sum thank-you from your employer for long service — but only if you clear the 5-year mark. Here is the exact formula and a worked payout example.

Lumpsum and SIP investing win in different market conditions. We run a side-by-side ₹6 lakh example to show exactly when each strategy pulls ahead.

A Systematic Withdrawal Plan can turn your mutual fund corpus into a monthly paycheck. Here is how to set a withdrawal rate that does not run out.

Master the feet-to-meters conversion with the precise 0.3048 factor, a ready reference chart, and real-world examples from construction, travel, and sports measurements.

Everyone assumes a coin flip is a perfect 50/50 split, but the real math and physics behind it are more nuanced than most people realize. Here is what actually determines the odds.

Counting down to your next birthday involves more than a simple date subtraction, especially near year-end or leap years. Here is exactly how the math works.

CBSE, VTU, Anna University and generic 10-point scales all convert CGPA to percentage differently. Here is the exact formula for each, with worked examples.

SGPA measures one semester; CGPA measures your entire academic record. Here is the exact credit-weighted formula for both, with a multi-semester example.

LCM and HCF are two of the most tested concepts in school maths. Learn the prime factorization method, the fast division shortcut, and where these numbers actually show up in real life.

The Celsius to Fahrenheit formula is simple once you know it. Here is the exact math, a quick mental shortcut, and a full reference table.