[Key features]

Easily perform four fundamental operations and advanced engineering calculations with our user-friendly interface. To access the engineering calculator, simply tap the engineering calculator icon.

Review your calculation history at any time by tapping the calculation history icon. You can effortlessly reuse any previously entered formulas by selecting them directly from the history.

[Additional features]

Convert units seamlessly with our unit calculator. Tap the unit calculator button to convert various types of:

• Currency
• Area
• Length
• Temperature
• Volume
• Mass
• Data
• Speed
• Time
• Date
• BMI
• Discount
• Age
• Numeral System
• GST
• Split bill
• Frequency
• Fuel
• Angle
• Pressure
• Force
• Power
• Loan

Customize your experience with our theme options. Switch to night mode by tapping the night mode icon and set your preferred time range for night mode in the settings.

Personalize the app's appearance by choosing your favorite color from the settings menu. To remove a calculation from your history, long press on the entry in the history page.

Change the app's language to your preferred one through the settings. Enhance your interaction by enabling a beep or vibration when pressing buttons, also configurable in the settings.

Adjust the numeral system to your liking by selecting preferred numerals from the settings—all numeral systems are supported. Modify the number format and the number of decimal places after the comma to suit your needs, both options are available in the settings.

Optimize your screen usage by enabling or disabling full screen mode from the settings. Keep track of your calculations by enabling the calculation record feature in the settings. Ensure your screen stays on during use by toggling the screen on feature in the settings.

Customize your interface further by hiding icons through the settings menu.

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Last but not least, all of these features are packed into a compact, completely free application, ensuring you have all the tools you need without taking up much space on your device.