Comprehensive calculator with basic and scientific modes. Solve arithmetic, algebra, trigonometry, and advanced math with step-by-step explanations.
Features:
See detailed explanations for each calculation step
Trigonometry, logarithms, exponentials, and more
Generate random problems to practice your skills
Interactive teaching mode with hints and tips
Select between Basic mode for simple arithmetic or Scientific mode for advanced functions like trigonometry, logarithms, and exponentials.
Type numbers and operations using buttons or keyboard. Use parentheses for complex expressions. The calculator follows standard order of operations (PEMDAS/BODMAS).
Enable "Show Steps" to see detailed explanations of how each calculation is performed. Perfect for learning and verifying your work.
Use Practice Mode to generate random problems at your skill level. Review solutions to understand mathematical concepts and improve your problem-solving skills.
Addition (+), Subtraction (-), Multiplication (ร or *), Division (รท or /), Exponentiation (^), Square Root (โ), Percentage (%), and Parentheses for grouping.
Trigonometric functions (sin, cos, tan), Logarithms (log, ln), Exponentials (e^x), Factorials (n!), Absolute values (|x|), and Angular conversions (degrees/radians).
Store (MS), Recall (MR), Clear Memory (MC), and Memory Add (M+) functions for complex calculations requiring intermediate results storage.
Foundation operations for all mathematical calculations and problem-solving.
Study of triangles and periodic functions essential for geometry and physics.
Inverse of exponential functions, crucial for exponential growth and decay problems.
Functions representing rapid growth or decay, fundamental in many scientific fields.
Product of all positive integers up to n, essential for combinatorics and probability.
PEMDAS/BODMAS rules ensuring consistent mathematical expression evaluation.
โข Use our Practice Mode for 15-20 minutes daily
โข Start with easier problems and gradually increase difficulty
โข Review step-by-step solutions to understand methodology
โข Focus on problem types you find challenging
โข Write down each step, even for simple calculations
โข Use the step-by-step feature to verify your process
โข Identify where errors occur in your calculations
โข Practice explaining solutions in your own words
โข Learn why formulas work, not just how to use them
โข Connect new concepts to previously learned material
โข Use real-world examples to make math relevant
โข Ask "what if" questions to deepen understanding
โข Always follow PEMDAS: Parentheses first, then Exponents
โข Multiplication and Division from left to right
โข Addition and Subtraction from left to right
โข Use parentheses to clarify complex expressions
โข Remember SOH-CAH-TOA for basic ratios
โข Check if your calculator is in degrees or radians
โข Use unit circle for common angle values
โข Practice with right triangles before complex problems
โข Understand derivations rather than rote memorization
โข Create formula sheets with explanations
โข Practice applying formulas in different contexts
โข Use mnemonics for complex formulas
Use memory functions (MS, MR, MC, M+) for complex calculations requiring intermediate results. This prevents rounding errors and saves time in multi-step problems.
For very large or small numbers, use scientific notation (e.g., 1.5e6 for 1,500,000). This prevents overflow errors and maintains precision in calculations.
Always check if trigonometric functions use degrees or radians. Most scientific applications use radians, while everyday problems often use degrees.
Calculate forces, voltages, frequencies, and wave functions. Use trigonometry for vector analysis and logarithms for decibel calculations and signal processing.
Compound interest calculations, loan amortization, investment growth, and statistical analysis. Exponential functions model growth patterns.
Probability calculations, statistical distributions, data normalization, and logarithmic transformations for data analysis and machine learning.
A: Our calculator uses JavaScript's built-in math functions with IEEE 754 double-precision floating-point arithmetic, providing accuracy to approximately 15-17 significant digits. For most educational and professional applications, this precision is more than sufficient.
A: Yes! Use your keyboard for faster input: numbers 0-9, operators (+, -, *, /), Enter or = for equals, Escape or C for clear, and Backspace for delete. Parentheses and decimal points also work as expected.
A: "log" typically refers to the base-10 logarithm (common logarithm), while "ln" is the natural logarithm with base e (โ2.718). Natural logarithms are more common in calculus and advanced mathematics, while base-10 logs are used in engineering applications.
A: To convert degrees to radians: multiply by ฯ/180. To convert radians to degrees: multiply by 180/ฯ. Our calculator shows which mode you're in and provides conversion functions. Remember: ฯ radians = 180 degrees.
A: Common causes include division by zero, taking the square root of negative numbers, or calculating logarithms of zero or negative numbers. Check your input for invalid operations and ensure all parentheses are properly matched.
A: Use our Practice Mode regularly, but also try to estimate answers before calculating. Learn shortcuts like multiplication by 11, squaring numbers ending in 5, and the relationship between fractions and decimals. Practice makes perfect!
A: While this calculator doesn't perform symbolic calculus (derivatives, integrals), it's excellent for numerical calculus work, evaluating functions, and checking answers. The step-by-step feature helps understand the algebraic manipulations common in calculus.
A: JavaScript can handle numbers from approximately 5e-324 to 1.8e308. Beyond these limits, you'll get underflow (0) or overflow (Infinity). For most practical applications, including scientific calculations, these limits are rarely reached.