Smart Mental Math vs TradeMind

Stop doing random drills. Start training smarter with an adaptive AI coach that helps you improve step by step. Smart Mental Math gives you full access through a low-cost one-time purchase — no subscription required. Smart Mental Math is more than a drill app. It combines focused mental math training with a dedicated learning area that teaches helpful calculation strategies in a simple, practical way. Inside the app, you can train core arithmetic skills like times tables, natural numbers, decimals, and money, while also exploring useful mental math tricks that help you calculate faster in everyday situations. The Learn section is designed to make mental math easier to understand and easier to remember. It includes clear strategy cards, simple examples, and quick checks that help you learn techniques for: - multiplication - division - addition and subtraction - square numbers and roots - percentages and fractions Instead of only repeating problems, you also learn how to think through them more efficiently. That means you can build speed, improve accuracy, and develop stronger number sense over time. Smart Mental Math adapts to your performance, adjusts challenge as you improve, and helps you stay focused on the areas that need the most work. Whether you want faster multiplication, sharper division, better percentage intuition, or stronger daily calculation speed, the app gives you short, high-impact sessions that fit into your day. What makes Smart Mental Math different: - Adaptive training that responds to your level - A dedicated Learn area with mental math tricks and strategy-based explanations - Quick checks and guided examples to reinforce what you learn - Smart progression based on speed and accuracy - Focused practice for weak spots and daily improvement - Clear progress tracking that makes growth visible Great for students, parents, ambitious learners, and anyone who wants to think faster with numbers. Train faster. Learn smarter. Make mental math smart.

Prepare for quantitative trading interviews with independent, high-pressure practice built around publicly described assessment formats. TradeMind combines timed OA-style practice, mental math, sequences, probability, market-making games, cognitive training, theory, and progress analytics in one iPhone, iPad, and Mac app. TradeMind is now available on the web. Create or sign in to a TradeMind Account to use your linked Pro access and progress across devices. CORE TRAINING FIRM-STYLE OA PRACTICE Run timed, independently created practice routes inspired by publicly described formats associated with CTC, IMC, SIG, CCI, and Wincent. Practice numerical, spatial, verbal, logic, pattern-recognition, valuation, and decision-making skills. Free users receive one fresh practice run each day; Pro unlocks unlimited runs. MENTAL MATH & APPROXIMATION Train integers, decimals, fractions, percentages, powers, rapid estimation, Taylor approximations, and the Rule of 72. Build speed with targeted drills and full timed sets. SEQUENCES Practice arithmetic, geometric, Fibonacci-style, alternating, interleaved, and look-and-say patterns with configurable difficulty. PROBABILITY & EXPECTED VALUE Work through combinatorics, Bayes’ theorem, cards, dice, poker odds, and fast expected-value decisions. MARKET MAKING Choose Play or Pass from expected value, then practise quoting two-sided markets against an adaptive counterparty. OA PREP & COGNITIVE GAMES Train with 16 original games covering working memory, attention, task switching, planning, risk tolerance, and decision-making under uncertainty. Review a clear multi-dimension profile after each battery. BRAIN TEASERS & KNOWLEDGE Study a growing library of worked quant interview puzzles and reference guides covering interview strategy, probability, stochastic processes, options, Black–Scholes, and machine learning in quantitative finance. ANALYTICS & DAILY GOALS Set a Daily Goal and review accuracy, response time, activity history, streaks, and per-question mistakes to focus the next session. INDEPENDENT PRACTICE TradeMind is an independent training product based on publicly described assessment formats. It is not affiliated with, sponsored by, or endorsed by any named firm. TradeMind does not reproduce official, confidential, or live assessment questions. Formats may change by role, region, and recruiting cycle; always check your invitation for current rules. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/