# goldfish-calc

**Repository Path**: moonl313/goldfish-calc

## Basic Information

- **Project Name**: goldfish-calc
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2026-03-24
- **Last Updated**: 2026-03-24

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Goldfish Kalker

A minimal Scheme calculator (Kalker) implemented in Goldfish Scheme.

## Features

- **Arithmetic**: `+`, `-`, `*`, `/`, `^`
- **Variables**: `x = 5`
- **Functions**: `f(x) = x^2`
- **Math**: `sin`, `cos`, `sqrt`, `ln`, `pi`, `e`
- **REPL**: Interactive Read-Eval-Print Loop

## Usage

Run the REPL:

```bash
gf goldfish/kalker.scm
```

Run tests:

```bash
gf run-test.scm
```

## Examples

```
kalker> 2 + 2
4
kalker> x = 10
x
kalker> x * 2
20
kalker> f(x) = x^2
f
kalker> f(5)
25
kalker> exit
```