Complete Guide to Using the Calculator

Introduction

Our online calculator provides powerful math calculation features, from basic arithmetic to advanced scientific calculations, meeting various needs.

Basic Features

1. Arithmetic operations

• Addition, subtraction, multiplication, division
• Supports decimals and negatives
• Real-time result display

2. Scientific Functions

• Trigonometric functions (sin, cos, tan)
• Logarithmic functions (log, ln)
• Power and root calculations
• Angle and radian conversion

3. Unit Conversion

• Length, weight, temperature, area, and volume conversions

Tips

1. Keyboard shortcuts: Quickly input with the number pad
2. History: View previous calculations
3. Copy result: One-click copy
4. Clear: Quickly clear all data

Advanced

• Expression calculation: e.g. (2 + 3) * 4 / 2
• Memory functions: M+, M-, MR, MC

FAQ

• How to calculate percentage?
  Input number and press % or use: value * percent / 100
• How to calculate square root?
  Input number and press √ or use: value ^ 0.5
• Complex numbers?
  Basic support, more coming soon.

Summary

Master these features to fully utilize our calculator. For questions, see other tutorials or contact support.

Try Now

👉 Click here to try the Online Calculator