Personal Trainer: Math is a Nintendo DS educational game focused on basic arithmetic practice and brain-training style math exercises. It uses the 100-Cell Method, giving the game a structured grid-based approach built around quick calculations and repeated skill-building.

• Cleaned, tested, and guaranteed to play. Authentic cartridge.
• Math-focused gameplay emphasizes addition, subtraction, multiplication, and division practice in short handheld sessions.
• The 100-Cell Method challenges players to fill number grids using fast mental calculation.
• Touch-screen controls let players write answers with the Nintendo DS stylus instead of selecting from standard button menus.
• Part of Nintendo’s Touch Generations line, which featured accessible software built around everyday skills and casual play.

The title fits alongside Nintendo DS training software such as Brain Age, with a more direct focus on arithmetic drills rather than general memory or logic exercises.