About This Tool
What is Calculator?
A tool for evaluating math expressions directly. Supports arithmetic operations plus trigonometric functions, logarithms, exponents, and mathematical constants (pi, e). Maintains a calculation history.
How to Use
- Enter a math expression (e.g., 2+3*4, sin(pi/2)).
- Press Enter to see the result.
- View previous calculations in the history.
- Click 'Clear History' to reset.
Key Features
- Arithmetic operations with parentheses
- Trigonometric functions (sin, cos, tan), logarithms (log, ln)
- Built-in math constants (pi, e)
- Calculation history retention
Tips
- Use * for multiplication, / for division, and ** for exponentiation.
- pi equals 3.14159..., e equals 2.71828... as mathematical constants.
- Use parentheses to explicitly set operation order in complex expressions.
Calculator
Evaluate math expressions with functions and constants
Frequently Asked Questions
Presisi floating-point?▼
0.1 + 0.2 ≠ 0.3 di floating-point. Batasan IEEE 754. Gunakan library presisi untuk keuangan.
Urutan operasi?▼
PEMDAS: Kurung, Pangkat, Perkalian/Pembagian, Penjumlahan/Pengurangan. Kiri ke kanan.
Pembagian dengan nol?▼
Tidak terdefinisi secara matematis. Mengembalikan Infinity atau error tergantung implementasi.
Related Tools
Unix Timestamp Converter
Convert between Unix timestamps and dates
Percentage Calculator
Perform common percentage calculations
Age Calculator
Calculate Korean age and international age from birth date
D-Day Calculator
Calculate days remaining until a target date or days elapsed since a past date
Auspicious Days Calendar
Find auspicious days (Son-eomneun-nal) based on the Korean lunar calendar for moving, weddings, and more
BMI Calculator
Calculate your Body Mass Index (BMI)