Crestellar Academy vs 次元空間 DIMENSION SPACE

The all-in-one HKDSE Maths app for iPhone and iPad — 名校 exam questions, timed mock exams, past-paper solutions, revision notes, and every subject's 5** cutoff since 2012. Free to start, no account needed. JUPAS CALCULATOR • All 371 programmes at the eight UGC-funded universities and HKMU: admission scores, applications and offers back to 2012 (2025 with quartiles), tables of admitted students' subject levels where published, applicants per place, and official descriptions • Enter your HKDSE results: your score for 363 programmes, each under its own formula, and where you stand against the median — in 2024 too, where the formula is the same • Search, sort four ways and plan 20 choices in Bands A–E like the JUPAS form — drag to reorder PRACTICE ENGINE • Thousands of MC and long questions from Hong Kong's top schools — by year, topic and difficulty, plus an out-of-syllabus Challenging tier • Focused practice: almost every question is matched to the subtopic it mainly tests, and you choose which other subtopics it may use • Timed S1–S6 mock exams that mirror the real HKDSE Paper 2, slot by slot • Instant marking: a grade estimate, per-question review, per-topic time and accuracy • DSE LEVEL PREDICTOR: your mock score is graded on the REAL cut-offs of the last six HKDSE Maths exams, with how many more questions reach the next level • One-tap drill on your weakest topic • Long-question sessions of 5–50, unseen questions first • Save questions; share a result card in one tap 5** SOLUTIONS • Every question has a full marking-scheme solution — natively typeset, never a scan • Max plans unlock advanced solutions: faster 5** techniques, exclusive calculator programs, and Typical Questions & Skills for all 19 chapters WRITE ON THE QUESTION (iPad) • In quizzes, long questions and saved questions: pen, dotted pen, highlighter and eraser, pinned to the figure as it scrolls and zooms — or pull up a scratch sheet • Hold at the end of a stroke and it snaps perfect — lines, circles, polygons, parabolas — then drag its corners • Apple Pencil always draws and double-tap swaps to the eraser; workings are never stored VISUAL MATH LAB • 43 interactive topics across three papers — Compulsory Part (21 labs), M1 Calculus & Statistics (12 labs, from exponential growth and Bayes' theorem to confidence intervals) and M2 Algebra & Calculus (13 labs: linear systems, matrices, vectors, limits, curve sketching, related rates, integrals, volumes, trig identities, binomial theorem, induction) — drag real DSE figures, watch the maths respond • Every lab runs on iPhone and iPad; AM–GM, Circle Angle Theorems, M2 Systems of Linear Equations and M1 Central Limit Theorem are free with no account; the rest are free to read — upgrade to interact REVISION TIMETABLE • Plan all 25 HKDSE subjects with official papers and topics; drag to build your week • Revision, test, mock and homework blocks with optional reminders; "Build my week" fills your free hours; a Progress tab tracks mastery STAY ON TRACK • Home Screen widgets: your practice streak and grade trend, a live HKDSE countdown, or today's revision plan • An optional evening study reminder • Every attempt saved with per-topic history FREE TO START • No account needed: HKDSE cutoff scores for 15 subjects since 2012, every programme in the JUPAS Calculator, and your first question 30 seconds after downloading • A free account adds full past-paper solutions, illustrated revision notes, the revision timetable, your JUPAS score and choices, and 80 tokens every month FAIR PRICING • Top-up token packs that never expire • Plus, Pro and Max plans cost a fraction of one tutoring lesson • One subscription covers iPhone and iPad Fully bilingual: English and Traditional Chinese. Built by Hong Kong DSE Maths teachers. Download free and aim for your 5**. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.crestellaracademy.com/privacy-policy

Snap any question for instant help, auto‑collect your weak spots, and let AI tutors teach you step by step — from Form 1 to Form 6. Description 【Dimension Space — Your DSE Study Partner】 Stop rote memorizing — conquer your knowledge tree one point at a time. Dimension Space breaks the full DSE curriculum into clear knowledge trees, where every point comes with AI explanations, practice, and level challenges to take you steadily from Form 1 to Form 6.