StudyX MathCal - Mental Math

Master mental math with a fast-paced handwriting drill.
Designed for kids to use independently — completely ad-free and privacy-safe.
Perfect for building a strong foundation in elementary arithmetic and middle school math.
Also great for daily brain training!

Features
◎ Solve math problems by writing directly on the screen
◎ Fully customizable quizzes (from 10 to 300 problems)
◎ Supports addition, subtraction, multiplication, and division
◎ Ideal for practicing carrying and borrowing
◎ Optional dot guides above numbers to assist counting
◎ Works offline — anytime, anywhere
◎ Kid-friendly interface for independent use
◎ No ads, no distractions
◎ Privacy-first design — no data collection or tracking