Concept library · free forever
Learn math, physics & chemistry — by reasoning
224 curated guides across three subjects and four levels. Every concept gets a clear explanation, one fully worked example you can follow step by step, and self-check questions — because on noobtopro, understanding is measured by how you reason, not what you memorize.
100 conceptsMathematicsArithmetic and algebra through calculus and proof.Elementary School · Middle School · High School · University62 conceptsPhysicsMechanics through modern physics, reasoned from first principles.Elementary School · Middle School · High School · University62 conceptsChemistryStoichiometry through mechanisms and equilibrium.Elementary School · Middle School · High School · University
One ladder: Elementary → Doctorate
Every subject is organized on the same 0–350 scale, split into curriculum levels. Start anywhere — each guide names the foundations it builds on, so you can climb in the right order.
0–69Elementary SchoolFoundations: the concrete ideas every later concept is built on.
70–139Middle SchoolRatios, expressions, and the particle picture — the bridge to abstraction.
140–209High SchoolFunctions, mechanics, and stoichiometry — the core curriculum, reasoned out.
210–279UniversityCalculus, electromagnetism, and equilibrium — first-principles depth.