# Fundamental RLC — resistors,inductors,capacitors

> Pocket reference for electrical engineering RLC circuits and calculations. (iPhone/iPad app by Sigma Sky, LLC.)

- Source: https://appshunter.io/ios/app/fundamental-rlc/id1629246247 (this page in markdown: same URL + `.md`)
- Developer: [Sigma Sky, LLC](https://appshunter.io/developer/320947305)
- Category: Reference, Utilities
- Price: $0.99 (on sale, was $3.99)
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 18.0 · 15 MB
- Languages: English
- Released: 2022-07-17
- Data updated: 2026-08-05
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/fundamental-rlc/id1629246247/reviews.md

## What is Fundamental RLC?

Fundamental RLC is an application intended as a pocket reference for electrical engineering. It includes basic RLC (Resistor, Inductor, and Capacitor) circuits topic like:
+ impedance, 
+ magnitude of impedance, 
+ phase angle, 
+ admittance, 
+ series and parallel connections,
+ Ohm’s law solver,
+ resistor color code chart (4 & 5 bands),
+ delta/wye solver,
+ voltage divider,
+ and much more...

If you like this app, please check out our other apps and stickers in the Apple App Store.

No in-app purchase.
No ads.
Accessible offline.

## Key features

- RLC circuit calculations
- Impedance and phase angle
- Ohm's law solver
- Resistor color code chart
- Delta/Wye solver
- Offline accessibility

## Chart rankings

- #186 in Top Paid · Reference (US App Store)


## Frequently asked questions about Fundamental RLC

### What electrical engineering topics does Fundamental RLC cover?

Fundamental RLC covers core RLC circuit topics including impedance, magnitude of impedance, phase angle, admittance, series and parallel connections, Ohm's law, resistor color codes (4 & 5 bands), and delta/wye conversions.

### Can I use Fundamental RLC offline?

Yes, Fundamental RLC is accessible offline, making it convenient for use without an internet connection.

### Does Fundamental RLC have ads?

No, Fundamental RLC is ad-free, providing an uninterrupted user experience.

### What is the price of Fundamental RLC?

Fundamental RLC is a paid application, priced at $3.99.

### What devices is Fundamental RLC available on?

Fundamental RLC is supported on iPhone and iPod devices.

### How often is Fundamental RLC updated?

The latest version is 1.1, last updated on September 10, 2025. Update frequency is not explicitly stated but indicates ongoing support.

### What is the age rating for Fundamental RLC?

Fundamental RLC has an age rating of 4+, making it suitable for a wide range of users.

### Does Fundamental RLC offer in-app purchases?

No, Fundamental RLC does not have any in-app purchases.

## Version history (last 2 releases)

### 1.1 — 2025-09-10

Thank you for using this app.
This version contains the required iOS update, bug fixes, and performance improvements.

### 1.0 — 2022-07-17

No release notes.

## Apps similar to Fundamental RLC

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Electronic Component Codes Pro](https://appshunter.io/ios/app/electronic-component-codes-pro/id6444056543) | — | $3.99 | Reference |

## More apps by Sigma Sky, LLC

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- [anotherABC](https://appshunter.io/ios/app/anotherabc/id516045568)

All apps by Sigma Sky, LLC: https://appshunter.io/developer/320947305

## Related topics

[fundamental rlc](https://appshunter.io/ios/topics/fundamental-rlc)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-05.*