Beat the
clock at
mental math.
Two operands, one keypad, endless practice. No signup, no streaks to lose, no ads — just the part of math that actually gets faster with practice.
Available on mobile
Simple training for faster mental math
CalcSprint is a lightweight mental math game designed for quick practice sessions. Choose one of four difficulty levels and solve an endless stream of arithmetic tasks with instant feedback. It works on desktop and mobile, supports both physical and on-screen keyboards, and stays intentionally minimal—no sign-ups, no leaderboards, no distractions.
Use CalcSprint for daily warm-ups, focused accuracy training, or speed-building sprints. If you want structured tips, scroll down to the blog—short, practical notes that help you improve without overthinking.
What is CalcSprint?
A simple browser game for mental math. Pick a level and solve endless problems with instant feedback.
Does it save my progress?
No. This version is intentionally minimal: no accounts, no leaderboards, no server-side storage.
How does division work?
Division tasks are generated to always produce whole-number answers (no fractions).
Is it mobile-friendly?
Yes. The layout switches to a single-column view and the keypad buttons are sized for touch.
Is there a mobile app?
Yes. CalcSprint is on the App Store and Google Play with the same drill — no signup, no ads.