그루스터디센터 vs Proof Workshop

No1. 무인 스터디카페 그루스터디센터!! 키오스크를 대체할 가장 완벽한 최적의 모바일 앱 시스템!! # 키오스크만에서 하던 결제와 예약을 앱에서 모두!! 이용자가 많은 시험기간, 내가 원하는 자리가 남아 있을까? 매장으로 헛걸음 하지 않고 어느곳 에서나 미리 자리를 확인하고 이용권을 구매할 수 있습니다 # 다양한 결제수단 성인들과 학생들을 위한 다양한 결제수단을 도입 신용카드. 소액결제, 실시간계좌이체, 카카오페이 매장에서는 교통카드 까지도!!! # 앱하나로 모두 가능 이용권 저장, 결제, 좌석확인, 알림서비스까지 앱만 깔면 모두 해결~

From reading proofs to building them. Proof Workshop covers core undergraduate math-major courses with concept cards, worked examples, practice problems and a proof builder. No account, no sign-up — your progress stays on your device. PROOF BUILDER (the core) - Stack shuffled proof steps in the right order - Each proof hides a plausible but wrong trap card built from a common misconception - Checking tells you how many steps are right and exactly where it first goes wrong - Stuck? A hint places just the next step AUTOMATIC REVIEW OF MISSED CONCEPTS - Concepts behind wrong answers collect in your review list - Re-read the concept card, then prove it with a different problem - Intervals grow 1, 3, 7 days as you get it right 8 SUBJECTS, 32 UNITS Calculus, Sets and Logic, Linear Algebra, Real Analysis, Abstract Algebra, Topology, Complex Analysis, Differential Equations - 96 concept cards, 160 practice problems with solutions, 32 proof builds - Math is typeset on-device and works offline - Numeric answers accept any equal form: 3/4 or 0.75 - All concepts, problems and proofs are original — no textbook or exam content copied FREE AND FULL ACCESS - The first unit of every subject is free, proof builder included - Full Access is a one-time purchase that opens units 2-4 of every subject. Not a subscription; it never auto-renews - Restore it on any device with the same Apple ID PRIVACY - No account, no ads, no analytics - Progress is stored only on your device and never transmitted Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://inphilchoi.github.io/mathmajor-privacy/ Contact: creativelab.choi@gmail.com