そろばん暗算の計算なら そろばんDANQ vs MathTre

そろばん暗算計算アプリ DANQ（ダンク）の特長 ■そろばん計算に特化 そろばん計算、そろばん暗算を本気で練習する人のためのアプリです。答えをアプリに入力するだけ。採点は自動、間違えた問題だけ自動で出題する機能もあるので練習効率が劇的に上がります。 ■日本で一番使われている問題が無料で解ける 累計1億人以上が利用する朝日プリント社が監修、問題提供。今も全国のそろばん教室で使われているテキストの問題をそのまま収録してるから今日からスグ使えます。そろばん暗算はもちろん、すべての級と段位に対応。 ■練習結果データを可視化 練習結果は全てきれいなグラフで可視化され、達成感を感じれるのでモチベーションが続きやすくなります。

Sharpen your mental math in just a few minutes a day. MathTre is a simple math workout for addition, subtraction, multiplication, division, and running sums. Open the app, tap start, and you're training. No clutter, no setup. Squeeze in a quick session on your commute, between tasks, or before bed. The more you practice, the faster and more accurate your mental math becomes. ■ PERFECT FOR YOU IF YOU WANT TO... ・Do quick math in your head at the checkout or when splitting the bill ・Make brain training a daily habit and keep your mind sharp ・Build speed for aptitude tests, entrance exams, or certifications with math sections ・Practice abacus-style mental arithmetic and running sums ・Give your kids a simple, distraction-free tool for arithmetic practice ・Race the clock and keep setting new personal bests ■ WHAT YOU CAN DO WITH MATHTRE [5 calculation modes] Addition, subtraction, multiplication, and division, plus Sums, where you add up a series of numbers one after another. From basic arithmetic drills to abacus-style running totals, it's all in one app. [Difficulty from 1 to 5 digits] Set anywhere from 1 to 5 digits, and choose the digits for each number separately (for example, 2-digit × 1-digit). Start with easy warm-ups and work your way up to big numbers that challenge even seasoned mental math fans. You can also choose the number of questions and, in Sums mode, how many numbers to add. [Fresh problems every time] Problems are randomly generated for every session, so there's no memorizing the answers. Every round is a true test of your calculation skills. [Track your time, see your progress] MathTre automatically records your clear time and your time per question. Beat your best and you'll see "New Record!!" — nothing motivates quite like beating yesterday's you. Your total correct answers and play time are saved too, so you can always look back on how far you've come. [A daily brain workout] A session takes just a few minutes. Do a set with your morning coffee or one before bed; it fits easily into any routine. A little practice every day is the surest way to get better at mental math. [Simple and focused] Large, easy-to-read numbers on a clean screen keep you focused on the problem in front of you. Customize the theme and sound to suit your style. Works on both iPhone and iPad. ■ GET STARTED IN 3 EASY STEPS 1. Pick a mode: addition, subtraction, multiplication, division, or Sums 2. Set the digits and the number of questions 3. Tap start! When you finish, you'll see your clear time and results That's it. You can start training the moment the mood strikes. ■ FAIR, SIMPLE PRICING Every mode and feature is free to use (with ads). Prefer to train without distractions? A single one-time purchase removes all banner and full-screen ads. No subscription, ever. Pay once and enjoy MathTre ad-free for good. Switching devices? Just tap "Restore Purchases." ■ START TODAY Your math skills grow with every bit of practice. Warm up your brain with one set a day on MathTre. Questions or ideas? Reach us anytime through the contact form in the app. We read every message and keep improving MathTre based on your feedback.