🧮 Scientific Calculator
Advanced scientific calculator with trigonometric functions, logarithms, exponentials, statistics, and complex mathematical operations for students, engineers, and professionals.
🖥️ Calculator Display
0
🔢 Number Input
📐 Scientific Functions
🧮 Result
0
Degrees Mode
📊 Calculation History
Calculator ready...
🔧 Calculator Settings
📐 Angle Mode: Degrees
🔢 Precision: 10 digits
📊 Memory: 0
🔢 Precision: 10 digits
📊 Memory: 0
💡 Quick Functions
📐 Function Reference
| Function | Symbol | Description | Example |
|---|---|---|---|
| Sine | sin | Trigonometric sine | sin(30°) = 0.5 |
| Cosine | cos | Trigonometric cosine | cos(60°) = 0.5 |
| Tangent | tan | Trigonometric tangent | tan(45°) = 1 |
| Natural Log | ln | Logarithm base e | ln(e) = 1 |
| Common Log | log | Logarithm base 10 | log(100) = 2 |
🧮 Scientific Calculator Functions
A scientific calculator provides advanced mathematical functions beyond basic arithmetic. It's essential for students, engineers, scientists, and professionals who need to perform complex calculations involving trigonometry, logarithms, exponentials, and statistical operations.
📐 Trigonometric Functions
| Function | Definition | Range | Common Values |
|---|---|---|---|
| sin(x) | Sine of angle x | [-1, 1] | sin(0°)=0, sin(90°)=1 |
| cos(x) | Cosine of angle x | [-1, 1] | cos(0°)=1, cos(90°)=0 |
| tan(x) | Tangent of angle x | (-∞, ∞) | tan(0°)=0, tan(45°)=1 |
| sin⁻¹(x) | Arcsine of x | [-90°, 90°] | sin⁻¹(0.5)=30° |
| cos⁻¹(x) | Arccosine of x | [0°, 180°] | cos⁻¹(0.5)=60° |
📊 Logarithmic & Exponential Functions
| Function | Definition | Properties | Applications |
|---|---|---|---|
| ln(x) | Natural logarithm (base e) | ln(e) = 1, ln(1) = 0 | Calculus, growth models |
| log(x) | Common logarithm (base 10) | log(10) = 1, log(1) = 0 | Engineering, pH scale |
| eˣ | Exponential function | e⁰ = 1, e¹ = e ≈ 2.718 | Compound interest, decay |
| 10ˣ | Power of 10 | 10⁰ = 1, 10¹ = 10 | Scientific notation |
| xʸ | x raised to power y | x⁰ = 1, x¹ = x | General power calculations |
🔢 Mathematical Constants
| Constant | Symbol | Value | Description |
|---|---|---|---|
| Pi | π | 3.14159265359... | Ratio of circumference to diameter |
| Euler's Number | e | 2.71828182846... | Base of natural logarithm |
| Golden Ratio | φ | 1.61803398875... | Mathematical ratio in nature |
| Square Root of 2 | √2 | 1.41421356237... | Diagonal of unit square |
🎯 Calculator Usage Tips
| Operation | Method | Example | Result |
|---|---|---|---|
| Order of Operations | PEMDAS/BODMAS | 2 + 3 × 4 | 14 (not 20) |
| Angle Mode | DEG/RAD toggle | sin(90°) vs sin(π/2) | Both equal 1 |
| Memory Functions | MS, MR, MC, M+ | Store 5, recall later | Temporary storage |
| Scientific Notation | Use EXP or E | 1.5E6 | 1,500,000 |
📚 Common Mathematical Formulas
| Category | Formula | Variables | Use Case |
|---|---|---|---|
| Geometry | A = πr² | A=area, r=radius | Circle area |
| Physics | E = mc² | E=energy, m=mass, c=light speed | Mass-energy equivalence |
| Finance | A = P(1+r)ᵗ | A=amount, P=principal, r=rate, t=time | Compound interest |
| Statistics | σ = √(Σ(x-μ)²/N) | σ=std dev, μ=mean, N=count | Standard deviation |
💡 Calculator Best Practices
- 🔍 Check Your Mode: Verify degree/radian mode for trig functions
- 📊 Use Parentheses: Group operations to ensure correct order
- 💾 Save Intermediate Results: Use memory functions for complex calculations
- 🔄 Double-Check: Verify results with alternative methods
- 📐 Understand Functions: Know what each function does before using
- 🎯 Round Appropriately: Consider significant figures in your answer
- 📝 Keep History: Review calculation steps for errors
- 🧮 Practice: Familiarize yourself with function locations
🔗 Related Calculators
Explore our other mathematical and scientific calculators:
- 📊 Percentage Calculator - Percentage calculations
- 🔄 Unit Converter - Unit conversions
- 💰 Compound Interest Calculator - Financial math
- 📈 Statistics Calculator - Statistical analysis