Guided Mode
Learn the technique step by step.
Guided Mode breaks a solution into explicit mathematical decisions. Students practice the structure of a method instead of memorizing a completed solution.
Free calculus practice
Practice integrals.
Understand every step.
Calcura is a free calculus practice app built around guided problem solving, varied integral practice, interactive graphs, and private learning progress.
Explore Calcura Classroom- Free for students
- Offline-first
- Simple email sign-in
- Guidedstep-by-step practice
- Free Playgenerated integral variety
- Graphsvisual intuition on demand
- Progressprivate learning analytics
Built for active practice
Everything needed to work the problem, not just look up the answer.
Calcura keeps the learning loop focused: recognize the technique, do the mathematics, check the result, and understand what to practice next.
Interactive graphing
See what the integrand is doing.
Open an integrand graph from the problem workspace, then pan and zoom without leaving the practice flow.
Reference toolkit
Keep the right reference close.
Use built-in identities and definitions when needed. The goal is to reduce context switching without turning practice into answer lookup.
Learning Progress
Track improvement with real practice signals.
Completion rate alone is not enough. Calcura also tracks first-attempt success, answer reveals, attempts, time, practice consistency, and skill-level evidence.
Sample data for illustration.
The student app stays free
Calcura is free.
Students can use Calcura independently without buying a subscription or joining an institution. Teachers can start with free Classroom tools and upgrade to Pro for problem-level assignment controls.
- Personal practice remains free
- Paid upgrades support teacher tools, not student access
- Leaving a class never removes the free student app
Calcura Classroom
Instructor tools now have their own space.
Create classes, publish assignments, and see student progress in the live teacher workspace. Explore Teacher, Pro, and the organizational roadmap on the Classroom page.
Calcura for students
Practice first. Paywalls never.
Free calculus practice on desktop, phone, and tablet.