# Perfboard

> Reference

Canonical page: [https://chrome-stats.com/d/id465951871](https://chrome-stats.com/d/id465951871)

## Overview

- **ID:** `id465951871`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Soft Dorothy LLC
- **Category:** Reference
- **Rating:** 5.00 / 5 (6 ratings)
- **Version:** 2.0.4
- **Last updated:** 2015-11-25
- **First published:** 2011-09-23
- **Size:** 9.82 MB
- **Data as of:** 2026-09-26
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/perfboard/id465951871)
- **Website:** [http://www.softdorothy.com/Perfboard.html](http://www.softdorothy.com/Perfboard.html)

## Description

A utility and reference for the electronics hobbyist.

Contains:
• resistor color band utility
• resistor series calculator
• resistor parallel calculator
• voltage divider
• capacitor code tool
• capacitor tolerance reference
• capacitor series calculator
• capacitor parallel calculator
• L.E.D. voltage drop reference
• L.E.D. limiting resistor calculator
• Ohm's law calculator (with unique "slide rule mode")
• ASCII table.

Retina display and iPhone 5 & 6 support. A beautiful user interface.

## Rankings

- #402,970 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id465951871)