HyakuRenZan vs Speed Math Drill

The brain training application which trains concentration, reaction power, and calculation power! The easy rule which calculates the number located in each line vertically and horizontally. You will Play every day and will heighten the "brain's ability"! --- How to play HyakuRenZan is a game which competes for the time located in each line vertically and horizontally to calculate arrangement numbers at random and fill the field of 10x10 (the easy mode is 5x5). Game mode can be chosen from three kinds, addition, subtraction, and multiplication. Difficulty has easiness,normal and hard. The easy mode will be completion if a number buries all of the field of 5x5 by a single figure. The normal mode will be completion if a number buries all of the field of 10x10 by a single figure. The hard mode will be completion if a number buries all of the field of 10x10 by double figures. --- Assessment system Five steps of evaluations are performed by Speed of calculation for every input. Since evaluation of "Excellent", "Great", "Good", "Fine", and "Bad" is performed in real time, it is followed as the guide of calculation speed. --- Visual records management The results for the 100 past are saved at game mode and given difficulty, and, in addition, the ranking by the 100th place of the past is also saved automatically. Record is displayed by the graph and can check change of calculation speed at a glance. --- GameCenter You can register results into GameCenter. Compete with the expert of HyakuRenZan in the world!

Train your calculation speed with 100-question timed drills — for kids and adults alike. Speed Math Drill is a no-nonsense arithmetic practice app. Open it, pick a mode, and start solving. No registration, no account, no internet needed. ■ WHAT YOU PRACTICE • Addition, subtraction, multiplication & division • Times tables (multiplication tables) • All operations mixed, or single-subject focus ■ HOW IT WORKS Each session gives you 100 questions. Solve them as fast as you can and beat your personal best. ■ WHO IT'S FOR • Elementary-age kids building calculation speed • Parents looking for a simple, ad-light math tool • Adults keeping arithmetic reflexes sharp • Students preparing for timed math tests ■ FREE vs. PREMIUM Free — All four operations (mixed): 100 questions per session, with banner ads Premium (one-time purchase): · Single-subject focus mode (addition only, subtraction only, etc.) · Ad-free experience No subscriptions. No recurring charges. Pay once, use forever. ■ FULLY OFFLINE & PRIVATE No data is collected or sent anywhere. Works without Wi-Fi.