Clear definitions of the most common financial terms, with numerical examples.
A salary of 2,000 euros today does not buy the same as a salary of 2,000 euros ten years ago. The number does not change, but what can be bought with it does. That difference between the written figure and what it actually represents is the core of real value, a concept that allows prices,…
When someone starts planning their retirement, they run into a wall of technical words: pension, accumulated capital, pay-as-you-go system, purchasing power… Terms that sound familiar but are rarely explained clearly. This glossary brings together the essential concepts of retirement and long-term inflation, explained with concrete numerical examples so that each word has a practical meaning,…
If someone tells you that in 1995 they earned a certain amount per month and it seems low compared to a salary today, you’re making a very common comparison mistake: mixing amounts without adjusting for the real purchasing power of each moment. That figure is a nominal value. Understanding what this term means is the…
A coffee on the way to work, a subscription notification you don’t even remember activating, a small treat while paying at the supermarket. None of these expenses seem important on their own, but together they form a category with its own name: small recurring expenses. Understanding exactly what a small recurring expense is, and not…
Imagine a small snowball at the top of a mountain. You push it and it starts rolling. At first the change is barely noticeable, but every turn it takes picks up more snow, and that extra snow makes the next turn pick up even more. That, exactly that, is compound interest: money that generates more…
When someone explains compound interest for the first time, they often use a phrase that sounds confusing until it’s properly understood: “it’s interest on interest.” It’s not a metaphor or an advertising wordplay. It’s a literal description of how the calculation works. This article explains where that expression comes from, what it means exactly, and…
Calculating compound interest by hand seems simple: a formula, a few numbers, and that’s it. But that’s the trap. Small mistakes in the rate, the number of periods, or rounding change the final result noticeably, especially over the long term. This article reviews the most common mistakes when doing these calculations without automated tools and…