Basic and scientific calculator
An Online Calculator is a web-based tool for performing mathematical calculations. It offers both basic arithmetic (addition, subtraction, multiplication, division) and scientific functions (trigonometry, logarithms, exponents) without needing to install any software.
Perform everyday calculations like bills, tips, and budgets.
Solve math problems for school assignments and studying.
Use trigonometry, logarithms, and advanced functions.
Access a full calculator from any browser, any device.
Switch between Basic mode for simple math or Scientific for advanced functions.
Click the number buttons or use your keyboard to input values.
Use +, -, ?, ? for basic math or scientific functions like sin, cos, log.
Press = to calculate. View history of past calculations below.