Scientific Calculator
Free online Scientific Calculator (Sci Calculator / SC Calculator) for advanced mathematical calculations including trigonometry, logarithms, powers, roots, factorials, exponents, and engineering calculations.
An online scientific calculator provides arbitrary precision evaluations for algebraic equations, trigonometric ratios (sin, cos, tan), logarithmic bases (log₁₀, ln), and exponential functions adhering to IEEE 754 64-bit floating point precision standards.
Scientific Calculator
IEEE 754 Double Precision & Trigonometric Standards
64-Bit Float Precision (53-bit Significand / 15–17 Decimal Digits)Supports Degree (DEG) and Radian (RAD) mode switching, standard operator precedence (PEMDAS/BODMAS), natural logarithms (Euler's constant $e \approx 2.71828$), and power series factorial expansions.
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How the Scientific Calculator Works
Follow these simple steps to get accurate results instantly.
Choose a Function
Select basic arithmetic, trigonometric, logarithmic, power, root, or scientific functions.
Enter Values
Input numbers, expressions, or mathematical functions for calculation.
Perform Calculation
Use the calculator to evaluate equations instantly with high accuracy.
View Results
Get instant scientific calculation results for academic, engineering, and professional use.
Scientific Calculator Functions
sin(x), cos(x), tan(x), log(x), ln(x), x², x³, √x, ∛x, n!, π, e
A Scientific Calculator performs advanced mathematical operations beyond basic addition, subtraction, multiplication, and division. It supports trigonometric functions, logarithms, exponents, roots, factorials, scientific constants, and engineering calculations.
Example Calculation
Input: sin(30°), log(100), √25, 5!
Output: 0.5, 2, 5, 120
Common Uses
- • Mathematics
- • Engineering
- • Physics
- • Statistics
- • College Calculations
- • Competitive Exams
- • Scientific Research
- • Academic Learning
Frequently Asked Questions
Verified answers to essential calculation and diagnostic questions.
A Scientific Calculator is an advanced calculator that performs trigonometric, logarithmic, exponential, root, factorial, and engineering calculations in addition to standard arithmetic operations.
Sci Calculator is a short form of Scientific Calculator. It is commonly used by students, engineers, teachers, and professionals for advanced mathematical calculations.
SC Calculator is another abbreviation for Scientific Calculator. It offers advanced mathematical functions beyond a standard calculator.
Yes. The calculator supports trigonometric functions including sine (sin), cosine (cos), tangent (tan), and their inverse functions.
Yes. It supports common logarithms (log), natural logarithms (ln), and exponential calculations.
Yes. Engineers, students, and professionals can use it for scientific, mathematical, and engineering computations.
Yes. The calculator supports both Degree (Deg) and Radian (Rad) modes for trigonometric calculations.
Yes. Scientific calculators are widely used for mathematics, physics, chemistry, engineering, and competitive exam preparation.
Written & maintained by Aditya Singh
Aditya Singh is a software engineer and the founder of DevCalc, based in Uttar Pradesh, India. He builds and maintains every calculator on this site, using standard, verified formulas — the same ones used by banks, institutions, and educators — with careful attention to accuracy. Read more about the author →