Practice vs Arithmetic

Mental arithmetic isn't something you learn once — it's something you build through repetition. This app gives you a near-infinite supply of problems, letting you practice until any calculation feels effortless. Train with targeted drills for addition, subtraction, multiplication, and division. Focus on the operations that trip you up most, and go from uncertain to fluent. Built-in difficulty presets mean you can open the app and start immediately — no setup required. When you're ready to fine-tune, full customization is available: toggle carrying for addition, borrowing for subtraction, and set the exact number ranges for multiplication and division to suit your current skill level. The interface supports both light and dark mode, so it's comfortable to use anytime, anywhere. Multi-language support removes any language barrier to practice.

Arithmetic is a fast, focused way to sharpen your mental math. Whether you're learning math for the first time or sharpening your skills, preparing for a quant or casing interview,, or anyone who enjoys keeping their mind sharp, Arithmetic helps you build real speed and accuracy. PRACTICE THAT ADAPTS TO YOU • Drill addition, subtraction, multiplication, and division — separately or all at once • Set your own number ranges for each operation, from easy to challenging • Choose your session length and race the clock LEARN MODE • Study operation tables at your own pace • Reversed and shuffled options to test true recall, not a memorized order SEE YOUR PROGRESS • Detailed statistics scoped to exactly the setup you practiced • Full session history with a per-problem breakdown, so you can spot which facts slow you down PRIVATE BY DESIGN • No account, no sign-up, no ads • Works completely offline • All your data stays on your device. Nothing is ever collected or uploaded Simple, clean, and built to make daily practice something you'll actually stick with.