Math Tools
Scientific Calculator
Calculate trigonometric functions, roots, logs, exponents, constants, and more. Degree mode and radian mode are available for student-friendly scientific calculations.
Scientific Calculator
Use trigonometric functions, roots, logarithms, powers, constants, parentheses, and inverse trig functions in degree or radian mode.
Result
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Recommended Calculator
Need a physical scientific calculator too?
A handheld scientific calculator is useful for exams, classrooms, engineering work, and situations where online calculators are not allowed.
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Supported functions
You can use sin(), cos(), tan(), asin(), acos(), atan(), sqrt(), log(), ln(), abs(), parentheses, powers with ^, and constants pi and e.
What is a scientific calculator?
A scientific calculator is an advanced calculator used for solving math expressions beyond basic addition, subtraction, multiplication, and division. It helps with trigonometry, exponents, logarithms, roots, constants, and functions commonly used in algebra, geometry, trigonometry, physics, engineering, and statistics.
This online scientific calculator is designed for quick student use as well as general problem solving. You can enter expressions directly, switch between degree mode and radian mode, and evaluate common scientific functions without installing any software.
How to use this online scientific calculator
Start by typing your expression into the calculator input. You can use numbers, parentheses, operators, constants like pi and e, and functions such as sin, cos, tan, sqrt, log, ln, and abs.
If your problem includes angles, choose the correct angle mode first. Degree mode is commonly used in school trigonometry problems, while radian mode is often used in higher-level math and calculus. Then press the equals button or hit Enter to calculate the result.
Scientific calculator examples and sample calculations
| Expression | Result | Use case |
|---|---|---|
| sin(30) | 0.5 | Common degree-mode trigonometry example. |
| cos(60) | 0.5 | Useful for basic trig and geometry work. |
| tan(45) | 1 | A frequently used standard-angle result. |
| sqrt(16) | 4 | Square root calculation. |
| log(100) | 2 | Base-10 logarithm example. |
| ln(e) | 1 | Natural logarithm using the constant e. |
| 2^5 | 32 | Exponent and power example. |
| abs(-12) | 12 | Absolute value example. |
Scientific calculator functions table
| Function | Meaning | Example |
|---|---|---|
| sin(x) | Sine of an angle | sin(30) |
| cos(x) | Cosine of an angle | cos(60) |
| tan(x) | Tangent of an angle | tan(45) |
| asin(x) | Inverse sine | asin(0.5) |
| acos(x) | Inverse cosine | acos(0.5) |
| atan(x) | Inverse tangent | atan(1) |
| sqrt(x) | Square root | sqrt(81) |
| log(x) | Base-10 logarithm | log(1000) |
| ln(x) | Natural logarithm | ln(e) |
| abs(x) | Absolute value | abs(-9) |
| x^y | Exponent or power | 2^8 |
| pi, e | Scientific constants | pi * 2 |
Degree mode vs radian mode in a scientific calculator
Degree mode interprets angle inputs as degrees, which is often the format used in school geometry and trigonometry. For example,sin(30) in degree mode gives 0.5.
Radian mode interprets angle inputs as radians, which is standard in many advanced math formulas, calculus problems, and physics work. Using the wrong angle mode can produce incorrect answers, so always check the requirement of your problem before calculating.
When to use a scientific calculator
A scientific calculator is useful whenever your problem includes trigonometric functions, square roots, logarithms, inverse trig, powers, constants, or grouped expressions with parentheses. It is commonly used in algebra, trigonometry, geometry, physics, chemistry, engineering, and finance-related calculations.
It is also useful for checking homework, verifying formula results, practicing math steps, and performing fast online calculations without using a dedicated handheld device.
Scientific calculator FAQ and common function questions
What does a scientific calculator do?
A scientific calculator solves advanced math expressions including trigonometry, logarithms, roots, powers, inverse trig functions, and grouped expressions with parentheses.
How do you use sin, cos, and tan on a scientific calculator?
Enter the trig function followed by the angle in parentheses, such as sin(30), cos(60), or tan(45). Make sure the calculator is set to the correct angle mode before calculating.
What is the difference between degree and radian mode?
Degree mode treats angle values as degrees, while radian mode treats them as radians. You must use the correct mode to get the right trig result.
Can I use this scientific calculator for logarithms and roots?
Yes. This calculator supports square roots, logarithms, natural logarithms, exponents, and absolute values along with trig and inverse trig functions.
What functions are available in this online scientific calculator?
You can use sin, cos, tan, asin, acos, atan, sqrt, log, ln, abs, powers, parentheses, and the constants pi and e.
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