01
Choose a mode
Train addition, subtraction, mixed addition and subtraction, multiplication, or division.
Brain Series / Mental Math
Calculate faster. Beat your best time.
Anzan turns quick arithmetic into a focused brain training game. Choose a mode, pick a level, answer 10 questions, and try to clear them faster than before.
5
Calculation modes
6
Levels per mode
10
Questions to clear
How It Works
Simple rules. Real concentration.
Pick the kind of calculation you want to train, select a level from 1 to 6, then solve each question with the on-screen keypad. The timer keeps the pressure light, clear, and motivating.
02
Pick your level
Start with single-digit calculations, then move up to larger numbers as your speed improves.
03
Clear 10 questions
Answer 10 questions correctly to clear the level and record your completion time.
Training Modes
Five ways to sharpen your mental math.
+AdditionBuild fast number sense
-SubtractionKeep your focus under pressure
±MixedSwitch between adding and subtracting
×MultiplicationPractice quick products
÷DivisionSolve clean division questions
LvLevel 1-6From single digits to harder problems
Progress
Your best time gives you a reason to come back.
Register your name, play a level, and Anzan saves your records. Check your history, compare your best times by mode and level, and keep chasing the next personal best.
Download
Start a quick mental math challenge today.