# Evaluate math expressions in bulk

**Use case:** 

Run a batch of math expressions and get precise numeric results. Handy for spreadsheet validation, engineering checks, and automated calculation workflows.

## Input

```json
{
  "expressions": [
    "2 + 2",
    "sqrt(16)",
    "sin(pi / 2)",
    "3^4"
  ]
}
```

## Output

```json
{
  "expression": {
    "label": "Expression",
    "format": "string"
  },
  "result": {
    "label": "Result",
    "format": "number"
  },
  "error": {
    "label": "Error",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [Deterministic Math Expression Evaluator Tool](https://apify.com/rainminer/math-tool) with a specific input configuration. Visit the [Actor detail page](https://apify.com/rainminer/math-tool) to learn more, explore other use cases, and run it yourself.