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Add your subjects in Settings. Brainback treats every problem inside them as academic — attempt-first, no answers, spaced-recall. Everything else stays in Efficiency mode.
50 of 50 subjects
The subject where the shortcut has always been most expensive.
Limits, rates, and shapes of change — earned, not delivered.
Where symbolic manipulation becomes second nature — or doesn't.
See the diagram. Not just look at it.
Unit circle, but also unit intuition.
Vectors are directions, not numbers.
The subject where wrong feels right — until Brainback slows you down.
Independence, conditioning, and the intuitions that lie.
Proofs and combinatorics for people who like clean edges.
Draw the free-body diagram. Actually draw it.
Forces, motion, and the shape of physical reasoning.
Fields, flux, and the geometry of Maxwell.
Wavefunctions, operators, and the etiquette of Dirac notation.
State functions, cycles, and why entropy always wins.
Balance the equation. In the right order.
Push arrows before you push answers.
Every pathway earned, not memorized.
Systems, not slogans.
Punnett squares only go so far.
Function first. Names second.
How the body compensates — and why it fails.
Reason about the algorithm before you type it.
Hash maps aren't magic.
State the recurrence. Solve it later.
Concurrency is a mindset.
Every packet earns its place.
Schema, then query.
Loss function first. Model second.
Model, assumptions, then math.
Marginal reasoning, at every step.
Aggregates, feedback loops, and lags.
Time value, first. Everything else, later.
Debits, credits, and the balance sheet identity.
Positioning before promotion.
Argument, evidence, causation.
Compare across, not just within.
The country of unresolved arguments.
Argument mapping over vibe.
Study design first. Effect size second.
Structure and agency, held in tension.
Institutions, incentives, and history.
Your voice, sharpened.
Read closely. Cite carefully.
Every paragraph earns its place.
Your story. Not a template's.
Produce, don't just translate.
Accord, tense, register — all yours.
Cases first. Prepositions second.
Tones, characters, and the patience they demand.
Validity is not truth.
What “the answer” means changes by discipline. A number, a thesis, a conjugation, a care plan — the tutor withholds whichever one yours is.
Math, physics, chemistry, biology, CS, statistics. The disciplines where a copy-paste solution buys the shortest possible interval between assignment and forgetting.
History, philosophy, literature. Subjects that reward the students who wrestle with the argument — and expose the ones who outsource it.
Psychology, sociology, economics, political science. Where reasoning about people and systems demands you generate the argument, not just recite it.
Modern languages, classical languages, linguistics. Production practice is the only practice that matters — Brainback keeps you producing.
Composition, rhetoric, creative writing. The tutor coaches your thesis and structure without writing the paragraph for you.
Cases, memos, finance, strategy. Reasoning inside a framework, not reaching for the framework.
Add it manually in Settings → Subjects. Any name, any level, any custom syllabus PDF you attach. The subject-specific pages above are shortcuts, not limits — Brainback works on any coursework you can describe. The tutor takes it from there.
→add your subjects
30 seconds to add your subjects. Attempt-first from the first problem.