Nous avons testé 12 outils de maths par IA pour vous. La plupart sont des moteurs de réponses déguisés en tuteurs. Voici ce que dit vraiment la recherche — et quels outils tiennent leurs promesses.
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Use the discriminant b² − 4ac to tell whether a quadratic has two real solutions, one repeated solution, or no real solutions — before you solve it.
Learn how to solve quadratics by completing the square, why adding (b/2)² works, and how the same method gives vertex form and the quadratic formula.
Find the vertex, axis of symmetry, and intercepts of a parabola, convert to vertex form y = a(x − h)² + k, and sketch the graph with confidence.
Solve quadratic word problems step by step — falling objects, area, number puzzles, and maximum profit — and learn which answer to keep.
General-purpose chatbots weren't built for children. Here's what the age rules, the research and the regulators say, and what a safer setup for homework help looks like.
Using AI isn't automatically cheating, and it isn't automatically fine. The line is whether your child or the AI did the thinking. Here's a simple test you can use tonight.
Chatbots write fluent, confident math that is sometimes simply wrong. Here's why it happens, why kids can't spot it, and three habits that catch the errors.
The same technology can double learning or quietly erode it. The difference isn't AI versus no AI. It's who does the thinking. Here's what the studies found.
Perfect homework, shaky tests and methods their teacher never taught. Here are the signs that AI is doing the thinking, and how to respond without turning it into a fight.
Every learning app now says it uses AI. Here are 12 questions that separate a tool built for children from a chatbot with a school-themed homepage.