Guides
Short, practical explanations of the ideas behind our apps. No jargon, no sign-up — just the thing explained properly, with worked examples you can follow on paper.
Puzzles
How to play Kakuro: rules and solving techniques
The complete rules of Kakuro, then the handful of techniques — unique sums, the "magic numbers", and cross-referencing — that let you solve any grid by logic alone.
Money
How a loan EMI is actually calculated
The EMI formula explained from first principles, with a full worked example for a 20-year home loan and what changes when the rate or tenure moves.
SIP explained: how monthly investing compounds
Why investing a fixed amount every month grows the way it does, the future-value formula behind it, and a worked example over ten years.