FdeX

FdeX is the mobile app for SigmaLive, the math learning platform from Maths with SAM.

SAM, YOUR MATH TUTOR
Ask your question and SAM will answer you step by step, in mathematical notation. Stuck on an exercise? Take a picture of it: he'll identify it, solve it, and explain each step. And if you prefer to listen, he'll read his answer aloud, just like a teacher at the board.

LESSONS YOU CAN READ AND LISTEN TO
Find lessons published by your teachers, with formulas clearly displayed. Search for a concept and you'll find it, even if it only appears in the body of the lesson. Each lesson can be listened to: the audio version explains the math in plain language—limits, integrals, derivatives, intervals—and highlights the words as you go so you can follow along without getting lost.

EXERCISES AT YOUR LEVEL
Choose your level, from middle school to university entrance exams, your chapter, and your difficulty level: easy for applying the lesson, difficult for preparing for a test. The answer key remains hidden until you request it.

GET YOUR WORK CORRECTED
Send a photo of your work: you'll get the identified topic, your errors noted, the written answer key, a grade out of 20, and tips for improvement.

LIVE CLASSES
View the schedule of sessions led by your teachers and review the published recordings.

WHO IS IT FOR? Middle school, high school, and university students. Teachers have a dedicated space to schedule their sessions.

An account is required. SAM's answers and assignment corrections are generated by artificial intelligence: they may contain errors and do not replace your teacher.