Tools
A game with real charts, new every day, and three calculators you run with your own numbers: move a slider, read the number, keep the link. Nothing is stored and nothing is sent anywhere.
A game
Calculators with your numbers
- Compound interest See how monthly savings grow over 20 years. What does $1,000 a month turn into? Open →
- How much does inflation eat? What $100 today will be worth, and why. What will the same $100 buy later? Open →
- CETES vs account vs inflation Where the same money keeps what it buys. Where does my money hold its value? Open →
Educational tool. It assumes constant rates and ignores taxes, fees and any surprise; real returns and real inflation change every year. It is here to show the shape of the idea, not to plan your money with it, and it is not financial advice.