maths calculator step by step

Step-by-Step Maths Calculator

Type an expression and get the answer with clear working steps. Supports + - * / ^ and parentheses.

Enter expression

Tip: Use standard keyboard symbols (* for multiply, / for divide, ^ for power).

What is a maths calculator step by step?

A step-by-step maths calculator does more than produce a final number. It shows the process used to solve the expression. That means you can check order of operations, spot mistakes, and understand how each part of a problem is evaluated.

This is especially useful for students, parents helping with homework, and anyone revising arithmetic or algebra basics. Instead of seeing only the answer, you see the path from start to finish.

How to use this calculator

Enter a full expression in the input box (for example: (3 + 5) * 2).
Click Calculate Step by Step.
Read the tokenized expression, postfix conversion, and each evaluation step.
Use Clear to reset and try another question.

Supported operations

Addition: +
Subtraction: -
Multiplication: *
Division: /
Powers: ^ (example: 2^3)
Parentheses: ( ) for grouping

Why step-by-step solving helps

Many math errors happen when order of operations is ignored. A step-by-step calculator reinforces correct sequence: brackets first, then powers, then multiplication/division, then addition/subtraction.

Seeing intermediate values also improves confidence. If your manual answer differs, you can compare each step and find exactly where the mistake happened.

Worked examples

Example 1: 12 + 7 * 3

Multiply first: 7 * 3 = 21, then add 12 + 21 = 33. Final answer: 33.

Example 2: (8 + 4) * 3 - 5^2

Parentheses first: 8 + 4 = 12. Power: 5^2 = 25. Multiply: 12 * 3 = 36. Subtract: 36 - 25 = 11. Final answer: 11.

Common mistakes to avoid

Forgetting parentheses around negative values.
Using x instead of * for multiplication.
Leaving expression parts incomplete, such as 5 +.
Placing two operators together unintentionally, like 4*/2.
Dividing by zero, which is undefined.

Study tip

Try solving each problem on paper first. Then use this step-by-step maths calculator to verify your process, not just your final answer. Over time, you will improve both speed and accuracy in mental and written calculations.