# Eva

> Use this skill when the user wants to calculator repl similar to bc(1) with advanced mathematical functions.

- Skill: `javimosch/eva` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/eva`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/eva/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: javimosch (https://skillmd.com/u/javimosch)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/javimosch/eva

---


# Eva Plugin

Calculator REPL similar to bc(1) with advanced mathematical functions.

## Commands

### Operations
- `eva expression eval` — eval expression via eva
- `eva interactive start` — start interactive via eva
- `eva precision set` — set precision via eva
- `eva base set` — set base via eva
- `eva history show` — show history via eva
- `eva config show` — show config via eva

## Usage Examples
- "eva --help"
- "eva <args>"

## Installation

```bash
cargo install eva
```

## Examples

```bash
eva --version
eva --help
```

## Key Features
- calculator\n- math\n- repl