Start Math
iOS app by CHUNGKIL KIM. Education · CHUNGKIL KIM
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.6.0
- Listing last refreshed
- 2026-09-09
View the original store listing
Store description excerpt
School mathematics as one path: concept, worked example, practice, review. No account. No internet required. ■ It traces back to where you actually got stuck If you keep missing quadratic equations because the real gap is in factoring, a hundred more will not help. This app collects the concepts behind your wrong answers, walks back the prerequisites and says where to restart. A lesson you reach that way opens even if locked, and never locks again — pointing at the gap and then closing the door would be pointless. ■ Wrong answers come back just as you are about to forget Every miss goes into your review notebook and returns after 1, 3, 7, 16 and 35 days. Get it right and the interval grows; miss it again and it restarts. You can tag why you missed it — an arithmetic slip, a concept you did not know, or a misread question. Slips do not count against concept mastery, and wait three days instead of one. Why you missed it matters more than how many you missed. ■ Formulas are typeset, and read aloud properly No formula images. Rule thickness, radical slant and exponent size follow typesetting rules, so nothing blurs when you enlarge the text. With VoiceOver they are read in natural Korean word order. Concept-card graphs have draggable coefficients: that the sign of a flips a parabola is faster to see once than to read twice. ■ When the exam is two weeks away Enter the scope and the minutes you can give each day. The plan follows prerequisite order and keeps the last two days for review. If time is short, it drops the hardest problems and says so. ■ Room to work it out by hand Every problem has a writing space beside it; on iPad the screen splits, problem on one side and your working on the other. Your working is saved per problem and returns in the wrong-answer notebook — where it went wrong matters more than what. Handwriting is not graded. ■ One card for a parent A week's work can be sent as one card — time studied, problems solved, lessons finished. No rank, no comparison, nothing sent automatically: the student taps to send and sees first what will go. ■ Also · Concept map — what you know, what you do not, and the path · Statistics — streak, progress, causes of mistakes, solving time · Answer statistics — how often a problem is missed. Off by default · Daily problem widget — free-section only, so a tap never hits a paywall · Review reminders — off by default; at most once a day · iCloud sync · iPad two-pane · Dark Mode · Dynamic Type ■ What is included Thirteen subjects of the Korean curriculum: middle school years 1 to 3, Common Math 1 and 2, Algebra, Calculus I, Probability & Statistics, Calculus II, Geometry, Math for AI, Math for Economics and Math for Work — 91 units, 461 lessons, 4,610 problems. Mock-exam sets for the March, June and September 2026 assessments: no original questions, but a walkthrough and an original look-alike problem per item (90). A fifth tier, Challenge: 212 exam-style problems spanning severa
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