Free online calculator, basic and scientific computing

Calc-tools.com is a fast, comprehensive, convenient, and free online calculator in the field of math calculator and scientific computing. Currently, we offer both a simple calculator and a scientific calculator experience, and we are developing more. Our goal is to be the one-stop, go-to site for anyone who needs fast calculator.In addition, we believe that the calc tools provided by the Internet should be free, convenient and fast. Therefore, all our calculator tools are completely free, no registration required and you can use it anytime, anywhere.

Online calculators help people to solve everyday calculation problems, such as: calculation of math problems, square or power of numbers, trigonometric functions sin, cos, tan, cot calculation, or as a salary calculator, mortgage calculator, etc. When you have a powerful online calculator, it is equivalent to having an almighty physical calculator. We code and develop each math calculator individually and put each calculator through rigorous, comprehensive testing and testing. However, if you find even the slightest error, please let us know, your comments are invaluable to us. Calc-tools' calculatortools.com is designed to serve people all over the world, with calculators available worldwide in over 50 languages.

Frequently Asked Questions

Q: What are the functions of the online calculator?

The online calculator is a virtual web calculator. calc-tools.com provides web versions of basic calculators and advanced calculators. Our goal is to meet all kinds of math calculator needs in people's daily life and work and study.

It provides users with basic mathematical calculations such as addition, subtraction, multiplication, and division, and can also temporarily store calculation results. and call it out through the [MR] key when needed, and then perform operations with other calculation results. The advanced calculator has added calculation functions such as pi, sine, cosine, tangent, logarithm, and natural numbers, and strives to meet the needs of the majority of users. The basic calculator and scientific calculator work together on the PC side, and on the mobile phone side, click [Basic] and [Scientific] to switch between the basic calculator and the advanced calculator.

Q: How should I use a scientific calculator?

The scientific computing function is an important part of the math calculator.The scientific calculator supports the display of 24-digit numbers. The functions include: mathematical calculation, base conversion, standard mathematical functions, percentage calculator, math equation solver, online math solver, square root calculation, logarithm, power, memory and other functions.

D(DEG) R(RAD) G(GRAD) represent the angle system, the radian system, and the degree system respectively. sin cos tan is a trigonometric function, and sin-1 cos-1 tan-1 corresponds to an inverse trigonometric function, which is equivalent to arcsin, arccos, arctan. ln is the natural logarithm ln a=loge a, and log is the logarithmic function. MC: clear the stored data, MR: Read the value in the memory and display it, M-: subtract the currently displayed value from the stored value, and then save the result, M+: add the current displayed value from the stored value, and then save the result. Ans English word is answer, the meaning of the answer.

Q: How does online calculator work?

A: The online calculator provides an operation interface through a web page, and the server program cooperates with the javascript script to calculate the user's input in real time, and quickly display the correct answer on the interface for people's reference. Therefore, people have very high requirements on the response speed, convenience, and accuracy of calculation results of online calculators.

Q: Do I need to pay for the calculator?

A: No, the calculator functionality provided by calc-tools.com is completely free, and our free calculator will work until people no longer need it.

Q: What is the calculation logic of a scientific calculator?

A: Scientific calculators on Calc-tools.com are developed based on well-known formulas or theorems in textbooks, and have been verified by internal testing and actual use by thousands of users.

Q: How can an online calculator help me work?

A: Thinking back to your work, what are some scenarios where you need to use a calculator? For example: salary calculator is needed to calculate worker salary, GPA calculation, trade transaction fee need to use calculator, expense and cost calculator, income calculator, tax when paying taxes, tax rate calculator. Workers need to use an hour calculator for their weekly work hours. In addition to this, income tax calculators, retired workers pension calculators, performance percentage calculators, etc. are required. Here is just a list of scenarios that almost all companies use, and some more professional use scenarios are not listed one by one.

Q: Can I link to the calculator on calc-tools.com from my website?

A: Yes, please feel free to link to any page on calc-tools.com. We would also be happy if our calculator tool was helpful to you.