OneClick Calculator

Contains ads
Content rating
Everyone
50+
Downloads
Content rating
Everyone
Learn more
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About this app

OneClick Calculator — simple enough for everyone, powerful enough for professionals. A user-friendly scientific calculator that does the heavy lifting for you.

Don't compromise on power for the sake of simplicity. Enjoy a clean, elegant interface with instant access to a vast set of tools that supercharge your productivity.

Discover the most distinctive features:

• Statistical, trigonometric, logarithmic functions — all at your fingertips.
• With custom functions, your computing environment becomes the embodiment of your ideas.
• Dual input field is essential for multi-step calculations without losing track.
• You can seamlessly convert results across 1,500+ units of measurement — or create your own categories.
• 15 memory cells with dedicated notes and timestamps provide real-world utility.
• Undo/Redo options take you back in time up to 50 steps.
• Working on the lock screen offers more flexibility.

⚡ Uncover the full potential of the app with the Assistant — your personal hub for managing Performer, Notebook, functions, constants, and variables.

💫 Performer: The app's intelligent core that takes your calculations far beyond simple math.
Transform your ideas into logically-linked formulas:

• Dynamic Variables: Use an unlimited number of variables and set their values at runtime.
• Customized Output: Get results tailored to your needs, including intermediate steps and contextual data.
• Absolute Precision: Leave behind any doubts about the accuracy of your complex calculations.

📝 Notebook: A built-in text editor with version history, offering instant access to your calculation-essential notes.

📂 File Manager: Your data, your rules. Seamlessly export or import measurement units, complex formulas, and custom themes. Share your unique findings with friends or backup your entire workflow in seconds.

💬 Your questions and ideas matter to us. We're always open to suggestions that make the app better.
Updated on
Apr 18, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location and Personal info
This app may collect these data types
Location, Personal info and 3 others
Data is encrypted in transit
Data can’t be deleted

What’s new

• Added File Manager.
• More functions for statistical calculations.
• Introduced new functions to work with time.
• Other improvements.