Scientific Calculator
Advanced Calculator
Advanced mathematical functions with memory and history
How to Use This Calculator
Step-by-step guide for advanced calculations
Basic Operations
For simple calculations: Enter numbers using the number pad, select an operation (+, −, ×, ÷), then press = for the result.
Trigonometric Functions
1. Select DEG/RAD/GRAD mode for angle measurement
2. Enter angle value
3. Press sin, cos, or tan for trigonometric functions
Logarithmic Calculations
• Use "log" for base-10 logarithms
• Use "ln" for natural logarithms (base e)
• Use "xʸ" for power calculations
Memory Functions
MS: Store current value in memory
MR: Recall stored value
M+: Add to memory
M-: Subtract from memory
MC: Clear memory
Example: Compound Interest
Example: Trigonometry
For Students
Perfect for algebra, calculus, physics, and engineering courses. Handles trigonometric functions, logarithms, exponents, and complex calculations required in STEM education.
For Professionals
Essential tool for engineers, researchers, and analysts. Perform statistical calculations, scientific notation, and advanced mathematical operations for technical projects and data analysis.
Memory & History
Store intermediate results with memory functions (MC, MR, M+, M-, MS). View previous calculations in history panel. All calculations happen in your browser for privacy.
Scientific Calculator Functions & Formulas
Basic Operations
Trigonometric Functions
Exponential & Logarithmic
Special Functions
Step-by-Step Examples
Compound Interest Calculation
Formula: A = P(1 + r/n)^(nt)
Steps: 1.05 ÷ 12 = 0.0041667
1 + 0.0041667 = 1.0041667
12 × 3 = 36
1.0041667^36 = 1.161472
1000 × 1.161472
Trigonometric Application
Formula: height = distance × tan(θ)
Steps: Ensure DEG mode selected
tan(30) = 0.57735
50 × 0.57735
Statistical Analysis
Mean: (85+90+78+92+88)/5
Standard Deviation:
√[Σ(xᵢ - μ)²/(n-1)]
Sum: 433
Mean: 86.6
Variance: 29.8
Understanding Scientific Calculations
A scientific calculator extends basic arithmetic to include advanced mathematical functions essential for science, technology, engineering, and mathematics (STEM) fields. Unlike basic calculators, it handles order of operations correctly, supports parentheses, and includes specialized functions for trigonometry, logarithms, exponents, and statistics.
Key Features Explained
Order of Operations: The calculator follows PEMDAS rules (Parentheses, Exponents, Multiplication/Division, Addition/Subtraction). For example, 2 + 3 × 4 = 14, not 20, because multiplication happens before addition.
Angle Modes: Trigonometric functions require angle measurement specification. Degrees (DEG) divide a circle into 360°, radians (RAD) use π (180° = π radians), and gradians (GRAD) divide a circle into 400 gradians.
Logarithmic Scales: Logarithms convert multiplicative relationships into additive ones. The common logarithm (log) uses base 10, while the natural logarithm (ln) uses base e (Euler's number, approximately 2.71828).
Practical Example: Physics Calculation
Problem: Calculate the range of a projectile launched at 45° with initial velocity 20 m/s.
Formula: Range = (v² × sin(2θ)) / g
Steps:
1. Ensure calculator in DEG mode
2. Calculate sin(2 × 45) = sin(90) = 1
3. Calculate 20² = 400
4. Divide by g (9.8 m/s²): 400 / 9.8
5. Result: 40.82 meters
Memory Functions for Complex Calculations
Memory functions allow storing intermediate results during multi-step calculations. For complex engineering or financial calculations, use MS to store values, M+ to add to memory, M- to subtract, MR to recall, and MC to clear.
Error Handling and Precision
The calculator shows error messages for invalid operations: division by zero, logarithm of non-positive numbers, square roots of negative numbers. Results display with 10-12 significant digits. Very large or small numbers appear in scientific notation (e.g., 1.23e+6 for 1,230,000).