Frequently Asked Questions
Find answers to common questions about our calculators and their features. Can't find what you're looking for? Contact our support team.
Basic Calculator
Questions about basic operations and features
Scientific Calculator
Advanced functions and calculations
Unit Converter
Unit conversion and measurement
Is the calculator free to use?
Yes, all our calculators are completely free to use. No registration or subscription is required.
Do I need to install anything to use the calculators?
No installation is required. Our calculators work directly in your web browser on any device.
Are the calculations accurate?
Yes, our calculators use precise mathematical algorithms to ensure accurate results every time.
Can I use keyboard input?
Yes, you can use your keyboard to input numbers and operators. The calculator supports full keyboard functionality.
How do I clear the calculator?
Click the 'C' button or press the 'Escape' key on your keyboard to clear all entries.
Can I use parentheses in calculations?
Yes, you can use parentheses to group operations and control the order of calculations.
How do I switch between degree and radian modes?
Use the mode selection radio buttons located above the calculator to switch between degree and radian modes.
What scientific functions are available?
Our scientific calculator includes trigonometric functions (sin, cos, tan), logarithms (log, ln), exponential functions, and more.
How do I use the memory functions?
Use the memory buttons (M+, M-, MR, MC) to store and recall values during calculations.
What types of units can I convert?
You can convert length, weight, temperature, area, volume, speed, and time units.
Are the conversions accurate?
Yes, our converter uses standard conversion factors to ensure precise and accurate results.
Can I convert multiple units at once?
Currently, you can convert one unit type at a time. For multiple conversions, you'll need to perform them separately.
Still Have Questions?
Our support team is here to help you with any questions or concerns.
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