# Scientific Calculator - Online Scientific Calculator

Advanced functions like trigonometry, logarithms, and more - use online for free!

# Online Scientific Calculator

Our online Scientific Calculator is an essential tool for students, scientists, engineers, and anyone else who needs to perform advanced mathematical functions.

With a full range of functions, including trigonometric, logarithmic, and exponential functions, as well as the ability to work with complex numbers, our calculator can handle even the most complex calculations.

With a user-friendly interface and clear display, our calculator is easy to use and understand, even for those who may be less experienced with advanced mathematics.

Our online Scientific Calculator is available for free, with no need for additional software or hardware. Try it out today and see how it can simplify your mathematical calculations!

# Scientific Calculator Question?

What is the sine of 45 degrees?

**Answer:**

- Set the calculator to "degree" mode, since we're working with degrees.
- Enter "45" on the calculator. (That is the 45 degrees)
- Press the "sine" (sin) button to calculate the sine of 45 degrees.
- The answer is approximately 0.707.

So, the answer to the question is: **The sine of 45 degrees is approximately 0.707**.

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Scientific Calculator# The History of the Calculator!

Online-Calculator.com has been around since 2007! That's a long time!

The original calculator was invented in the 17th century by a Frenchman called Blaise Pascal! He was just 18 years old, and wanted to help his father do his tax calculations. Join us on the fascinating history of the calculator!

The History of the Calculator!