Subjects

Seven calculator-free math tracks.

Core courses plus the four big private-school and college entrance exams — every item exact-answer, every wrong choice a named mistake. The SSAT, ISEE, and HSPT tracks add full verbal & reading prep. Scroll down to try a live sample.

Core course

Algebra I

The full calculator-free Algebra I curriculum, with a placement-style practice exam.

Linear & literal equations · inequalities & absolute value · systems · factoring · quadratics (three methods) · radicals & exponents · functions & sequences · rational expressions · word problems

Core course

Algebra II / Precalculus

The Algebra II catalog through precalc-adjacent topics.

Complex numbers · polynomials & division · rational functions · logs & exponentials · sequences & series · matrices & vectors · conics · probability & counting · trigonometry

Core course

Geometry

A full calculator-free geometry track with figures drawn honestly (never leaking the answer).

Angles & reasoning · triangles & right triangles · circles · coordinate geometry · perimeter/area/volume · polygons · transformations & similarity · trigonometry · triangle centers

Test prep*

SAT Math

A faithful Digital-SAT-style math experience.

Adaptive two-module exam with a router · MC + student-response (typed) items · no-penalty scoring · a labeled 200–800 scaled-score estimate · scatterplots, data & statistical literacy

Test prep*

SSAT (Upper)

The SSAT Upper quantitative sections — plus Verbal and Reading.

Two 25-question math sittings · 5-option items · real +1 / −¼ / 0 penalty scoring in exact quarter-units · a guessing coach · honest readiness bands · 60-question Verbal sitting (5-option synonyms + pair analogies from a 1,209-word bank) · Reading passages with named question types

Test prep*

ISEE (Upper)

Both ISEE Upper math sections — plus Verbal Reasoning and Reading.

Quantitative Reasoning + Math Achievement · the signature Quantitative Comparison format · no-penalty scoring (answer everything) · honest bands, clearly not an official stanine · Verbal Reasoning sitting (synonyms + single- and double-blank sentence completions) · Reading Comprehension

Test prep*

HSPT

The Catholic-school entrance exam, in its real two-section structure — plus Verbal Skills and Reading.

Quantitative Skills (number series · comparisons · number manipulation) + Mathematics (concepts & problem-solving) · Authentic or Full-length sittings · no-penalty scoring · Verbal Skills in all five real formats (synonyms · antonyms · analogies · logic · classification) · Reading practice

Verbal & reading run on frozen, hand-verified corpora — a 1,209-word vocabulary bank with Greek/Latin roots, 870 analogies, sentence completions, and 120 original reading passages (720 questions) — never live-generated by an AI.

Try it

Tap an answer — see the diagnosis

Four real items, one per flagship subject. Pick any option: a wrong choice names the exact mistake behind it. This is the engine's signature.

Four hand-picked samples. Under your brand, the engine generates unlimited fresh items across every track.

See the full app under your brand →