Free Basic Arithmetic Calculator | Unit Converters
How It Works
Enter Numbers
Type your first and second numbers
Choose Operation
Select add, subtract, multiply, or divide
What is Basic Arithmetic Calculator?
What
A basic arithmetic calculator helps you do simple math operations like adding, subtracting, multiplying, and dividing numbers quickly and easily.
Why
Perfect for students learning math, teachers creating examples, parents helping with homework, and anyone needing quick calculations in daily life.
Applications
Homework help, shopping calculations, cooking measurements, budget planning, and basic math practice for all ages.
Common Examples
Addition
25 + 15 = 40
100 + 50 = 150
7.5 + 2.3 = 9.8
Adding numbers together
Subtraction
50 - 20 = 30
100 - 35 = 65
8.7 - 3.2 = 5.5
Taking away numbers
Multiplication
6 × 8 = 48
12 × 5 = 60
2.5 × 4 = 10
Repeated addition
Division
20 ÷ 4 = 5
100 ÷ 25 = 4
15 ÷ 3 = 5
Splitting into equal parts
Arithmetic Operations Table
| Operation | Symbol | Example | Result | Description |
|---|---|---|---|---|
| Addition | + | 15 + 25 | 40 | Combining two or more numbers |
| Subtraction | - | 30 - 12 | 18 | Finding the difference between numbers |
| Multiplication | × | 7 × 9 | 63 | Repeated addition of the same number |
| Division | ÷ | 56 ÷ 8 | 7 | Splitting a number into equal parts |
*Basic arithmetic operations form the foundation of all mathematics
Frequently Asked Questions
What is basic arithmetic?
Basic arithmetic includes four main operations: addition (adding numbers), subtraction (taking away numbers), multiplication (repeated addition), and division (splitting into equal parts). These are the building blocks of all math.
How do I use this calculator?
Simply enter your first number, choose the operation you want (add, subtract, multiply, or divide), then enter your second number. The result will show instantly as you type.
Can I use decimal numbers?
Yes! This calculator works with whole numbers, decimal numbers, and negative numbers. You can calculate things like 2.5 + 3.7 or 10.25 × 4.
What happens if I divide by zero?
Division by zero is not possible in math. If you try to divide any number by zero, the calculator will show "Cannot divide by zero" to let you know this operation is not allowed.
Is this calculator free to use?
Yes, this basic arithmetic calculator is completely free to use. You can perform unlimited calculations without any cost or registration required.
Can students use this for homework?
Absolutely! This calculator is perfect for students to check their homework answers, practice arithmetic problems, and learn how basic math operations work. It's great for all grade levels.