Basic Calculator
Perform basic math operations including addition, subtraction, multiplication, division, decimals, percentages, and parentheses.
Results
Answer
—
Expression
—
Supported operators
+, −, ×, ÷, %, parentheses
Calculation details
Percent signs are treated as “divide the previous number by 100”. For example, 25% is calculated as 0.25.
Use this Basic Calculator for addition, subtraction, multiplication, division, decimals, percentages, and expressions with parentheses.
Calculation Method
The calculator follows the standard order of operations:
- Parentheses
- Multiplication and division
- Addition and subtraction
The percentage symbol is treated as division by 100. For example, 25% = 0.25.
Example
For:
(25 + 15) × 2 − 10
First calculate the parentheses:
25 + 15 = 40
Then:
40 × 2 − 10 = 70
The final answer is 70.
Important Note
Division by zero is undefined. Long decimal results may also be rounded for display.