Standard 4-Function Calculator — Basic Online Calculator
Free basic calculator for addition, subtraction, multiplication, and division. Big friendly buttons — easy for everyone!
How to use this calculator
👉 Fill in the boxes below and your answer appears instantly — no maths needed, we do it all for you! 🎉
In plain English — what does this do?
🔢 This tool does the maths for you! Just type in your numbers, and it gives you the answer right away. No need to count on your fingers or use a pen and paper.
A Standard 4-Function Calculator is a basic tool for the four core maths operations: adding (+), taking away (−), multiplying (×), and dividing (÷). Great for quick number checks and everyday sums.
⌨️ You can also type on your keyboard!
What is Standard 4-Function Calculator — Basic Online Calculator?
A Standard 4-Function Calculator is a basic tool for the four core maths operations: adding (+), taking away (−), multiplying (×), and dividing (÷). Great for quick number checks and everyday sums.
How to use it
- 1️⃣ Tap or click the number buttons to enter your first number.
- 2️⃣ Tap an operator button: + to add, − to take away, × to multiply, or ÷ to divide.
- 3️⃣ Enter your second number.
- 4️⃣ Tap = (or press Enter on your keyboard) to see the answer!
- 5️⃣ Tap C to clear everything and start again.
Formula
💡 See it in action — a real example
❓ Common questions
- Does it support decimals?
- Yes! Tap the '.' button to add a decimal point, like 3.14.
- What does C mean?
- C stands for Clear — it wipes the screen so you can start a brand new sum.
- What does ⌫ do?
- The backspace button deletes the last digit you typed, like an eraser.