What functions does it support?

Sin, cos, tan, log, ln, exponents, square root, factorial, pi, e, and more advanced math functions.

Can I do trigonometry?

Yes, sin, cos, tan and their inverse functions are supported in both degrees and radians.

Does it support parentheses?

Yes, you can use parentheses for complex expressions following BODMAS rules.

Is it suitable for engineering?

Yes, it supports scientific notation, exponents, and advanced math suitable for engineering calculations.

How to switch between degrees and radians?

Use the DEG or RAD toggle button to switch between degrees and radians mode.

Math Calculator

Scientific Calculator

Advanced scientific calculator with trigonometry, logarithms, powers, and more. Works instantly in your browser.

What Is a Scientific Calculator?

A scientific calculator is an advanced computational tool that performs complex mathematical operations beyond basic arithmetic — including trigonometry, logarithms, exponentials, factorials, roots, powers, and statistical calculations. It's essential for students studying mathematics, physics, chemistry, engineering, statistics, and computer science, as well as professionals in scientific and technical fields.

Unlike basic calculators, a scientific calculator follows mathematical order of operations (BODMAS/PEMDAS) automatically, supports parentheses for grouped expressions, handles negative exponents, and maintains precision for very large or very small numbers using scientific notation. This free online scientific calculator works in any browser without signup, ideal for homework, exam preparation, lab work, and professional calculations.

For simpler calculations, use our Basic Calculator. For specialized needs, see Percentage Calculator, Interest Calculator, or Loan Calculator.

Available Functions and Operations

This scientific calculator supports all standard scientific operations used in academic and professional settings:

Trigonometric Functions

sin, cos, tan — Basic trigonometric functions (sine, cosine, tangent)
asin, acos, atan — Inverse trigonometric functions (arc sine, etc.)
sinh, cosh, tanh — Hyperbolic functions
asinh, acosh, atanh — Inverse hyperbolic functions

Switch between degrees (DEG) and radians (RAD) mode based on your problem requirements. Standard math problems use radians; engineering and surveying often use degrees.

Logarithms and Exponentials

log(x) — Common logarithm (base 10)
ln(x) — Natural logarithm (base e)
log_n(x) — Logarithm to any base
e^x — Natural exponential function
10^x — Common exponential function
x^y — Power function (x raised to y)

Roots and Powers

√x — Square root
³√x — Cube root
n√x — nth root
x² — Square (x × x)
x³ — Cube (x × x × x)
xⁿ — Any power

Other Important Functions

n! — Factorial (n × (n-1) × ... × 1)
nCr — Combinations
nPr — Permutations
|x| — Absolute value
1/x — Reciprocal
π — Pi constant (3.14159...)
e — Euler's number (2.71828...)
mod — Modulo (remainder)

Common Mathematical Constants

Constant	Symbol	Value	Used In
Pi	π	3.14159265	Geometry, circles
Euler's Number	e	2.71828183	Natural logarithms, calculus
Golden Ratio	φ	1.61803399	Architecture, design, biology
Square root of 2	√2	1.41421356	Pythagorean theorem
Speed of Light	c	3 × 10⁸ m/s	Physics, relativity
Avogadro's Number	N_A	6.022 × 10²³	Chemistry, moles

Order of Operations (BODMAS/PEMDAS)

Scientific calculators automatically apply mathematical order of operations:

B/P — Brackets/Parentheses first
O/E — Orders/Exponents (powers and roots)
DM — Division and Multiplication (left to right)
AS — Addition and Subtraction (left to right)

Example: Calculate 2 + 3 × 4²:

Step 1: Exponent first: 4² = 16
Step 2: Multiplication: 3 × 16 = 48
Step 3: Addition: 2 + 48 = 50

Without BODMAS, a basic calculator would give (2+3) × 4² = 80, which is incorrect mathematically.

Keyboard Support

For faster input, the calculator supports keyboard shortcuts:

Key	Function
0-9	Number input
+ − * /	Arithmetic operations
^	Power (x^y)
( )	Parentheses
Enter or =	Calculate result
Escape	Clear all
Backspace	Delete last entry

Common Scientific Calculations

Trigonometry Examples

Finding height of a building using angle of elevation:

If you're 50m from a building and look up at 30° to see its top:

Height = 50 × tan(30°) = 50 × 0.5774 = 28.87 meters

Logarithm Examples

pH calculation in chemistry:

If hydrogen ion concentration [H⁺] = 10^-5 mol/L:

pH = -log(10^-5) = 5 (acidic solution)

Compound Calculations

Calculate the area of a circle:

Area = π × r² — For r = 5: Area = 3.14159 × 25 = 78.54 square units

Statistics Examples

Calculate combinations (nCr):

How many ways to choose 3 students from 10? C(10,3) = 10! / (3! × 7!) = 120 ways

Subject-Specific Applications

Physics Calculations

Kinetic energy: KE = ½ × m × v²
Potential energy: PE = m × g × h
Newton's second law: F = m × a
Wavelength: λ = v / f
Resistance (Ohm's law): R = V / I
Acceleration: a = (v − u) / t

Chemistry Calculations

Molarity: M = moles / volume(L)
pH and pOH: pH = -log[H⁺], pOH = -log[OH^-]
Ideal gas law: PV = nRT
Half-life calculations using exponentials
Concentration dilution: M₁V₁ = M₂V₂

Engineering Calculations

Quadratic equation solutions
Vector calculations with sin/cos
Logarithmic decay (RC circuits)
Decibel calculations: dB = 10 × log(P₁/P₂)
Structural calculations with trigonometry
Signal processing with complex math

Mathematics and Statistics

Probability calculations
Standard deviation and variance
Permutations and combinations
Exponential and logarithmic equations
Calculus operations (limits, derivatives, integrals)
Number theory operations

How to Use This Scientific Calculator

Choose angle mode — DEG (degrees) or RAD (radians)
Enter your expression — Use buttons or keyboard
Use parentheses — For grouping operations
Apply functions — Click sin, cos, log, etc.
Calculate — Press = or Enter
View history — Previous calculations shown above

Use Shift/2nd function key to access secondary operations (inverse functions, hyperbolic versions, etc.).

Scientific Notation Explained

For very large or very small numbers, scientific notation expresses them compactly:

6,000,000 = 6 × 10⁶ (six million)
0.000003 = 3 × 10^-6 (three microseconds)
Avogadro's number = 6.022 × 10²³
Plank's constant = 6.626 × 10^-34

The calculator automatically displays results in scientific notation when numbers exceed standard display capacity. On most scientific calculators, "E" notation is used: 6E23 means 6 × 10²³.

Common Scientific Calculator Mistakes

Wrong angle mode: Forgetting to switch between DEG/RAD for trig calculations
Missing parentheses: sin(30+45) is different from sin(30)+45
Order of operations errors: Manual mistakes when calculator handles BODMAS automatically
Negative exponents: Don't confuse subtraction with negative sign
Decimal precision loss: Round only at final step
Memory function confusion: M+, M-, MR, MC each behave differently
Exponent ambiguity: 2^3^2 can be (2^3)^2=64 or 2^(3^2)=512 depending on calculator
Logarithm base confusion: log vs ln on different problems