Calculation Training For Brain vs おかね脳トレ

"Calculation Training" is a brain-training app for practicing arithmetic that can be enjoyed by everyone—from elementary school children to seniors. It features simple, game-like controls and offers a variety of calculation problems. Use it for practicing arithmetic (mental math) from elementary school level, warming up your brain before studying, or maintaining cognitive health and mental sharpness for older adults. - Choose Your Training This app lets you practice the four basic arithmetic operations that form the foundation of math. You can focus on a single type of calculation or try mixed problems that include all types. * Addition * Subtraction * Division * Multiplication * Mixed arithmetic (all operations) - Adjustable Difficulty There are five difficulty levels, ranging from “Easy” to “Very Hard.” You can choose the level that matches your ability, making practice efficient and effective. By solving problems repeatedly and gradually increasing the difficulty, your calculation speed will naturally improve, helping you enhance your mental math skills. - Training Modes This app includes five training modes. Your best score is recorded in each mode, allowing you to track your progress and improvement. ◆ Time Limit Mode Solve as many problems as possible within a set time. The time limit can be adjusted from 20 to 90 seconds in 10-second increments via the Settings menu. Perfect for quick practice sessions or more focused, longer training. ◆ Fixed Problem Mode Challenge yourself to solve a set number of problems as quickly as possible. The number of questions can be adjusted from 10 to 50 in increments of 10 via the Settings menu. ◆ Endless Mode Each correct answer extends the time limit. Answer quickly and continuously to solve more problems and achieve a higher score. ◆ Long Calculation Mode Solve longer expressions that include both addition and subtraction. ◆ Column Method Mode Practice vertical calculations (column method). Train your speed in solving multi-digit addition and subtraction problems, up to three rows. - Input Options For multi-digit answers, you can choose whether to input digits starting from the highest or lowest place value. There are also two types of number pad layouts, allowing you to select the one that feels most comfortable. - Online Rankings Compete with players around the world through global online rankings. In Time Limit Mode, longer time limits yield higher scores. In Fixed Problem Mode, solving more problems results in higher scores. --- Calculation Training Brain Training / Math Game / Educational App for Kids Free ---

年金の手取り、医療費の自己負担、買い物のおつり。暮らしに出てくるお金の数字だけで、1日10問の計算練習ができます。 ■ できること ・1日10問。3分ほどで終わります ・問題は21種類（おつり、割引、消費税、年金の手取り、年金の繰下げ、医療費の窓口負担、医療費控除、貯金がもつ期間 など） ・1問ごとに、正解と計算のしかたをその場で表示 ・つづけた日数、今月やった日、正答率を記録 ・途中でやめても、その日のうちは続きから ・むずかしさを3段階から選べます ・文字の大きさを3段階から選べます ・毎日のお知らせ（希望する方のみ） ■ Pro（買い切り） ・広告なし ・1問ごとに、ひとことの解説と出典を表示 ・まちがえた問題を、数字を変えてやり直し ・おかわり10もん（別の問題を何度でも） ・種類をえらんで練習 ・種類べつの成績と、2週間のグラフ 月額の支払いはありません。一度のお支払いでずっと使えます。 ■ 問題に出てくる制度の数字 日本年金機構、国税庁、厚生労働省、総務省の公表資料で確かめた数字を使っています（令和8年度）。 ※ このアプリは計算の練習をするものです。表示する金額は一例で、実際の金額は制度や自治体によって異なります。