# Big Yellow Calculator — Custom Layout Calculator > Customizable calculator with layout options and intermediate result storage. (iPhone/iPad app by 山 黄.) - Source: https://appshunter.io/ios/app/big-yellow-calculator/id6446835863 (this page in markdown: same URL + `.md`) - Developer: [山 黄](https://appshunter.io/developer/1679305097) - Category: Utilities, Education - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.6 · 1 MB - Languages: American English, Japanese, Chinese (Simplified, China) - Released: 2023-03-31 - Data updated: 2026-07-20 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/big-yellow-calculator/id6446835863/reviews.md ## What is Big Yellow Calculator? Tired of rigid, one-size-fits-all calculator interfaces? CustomCalc redefines your calculating experience with two powerful core features tailored for personalized and efficient math work. Fully Customizable Button Layout Take full control of your calculator interface! Add, delete, rearrange, and hide any function buttons based on your daily needs. Whether you want a minimal layout for simple daily arithmetic or a customized panel for advanced scientific calculations, you can design it in one tap. Drag-and-drop operation makes layout adjustment intuitive and effortless, eliminating useless buttons and keeping your most-used functions front and center. Save & Recall Intermediate Results Solve complex multi-step calculations effortlessly! Store any intermediate values during your computing process with one click. Access, edit, or reuse saved results anytime without rewriting formulas or retyping numbers. Perfect for accounting, engineering calculations, student homework, and daily multi-step math tasks, greatly reducing calculation errors and saving your time. Designed for iOS devices, CustomCalc delivers smooth, ad-free calculating performance. Customize your layout, organize your data, and calculate smarter today! ## Key features - Customizable layouts - Standard and scientific modes - Store intermediate results - Up to 10 stored results - Versatile functionality ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Unlock all features | $0.99 | one-time | ## Frequently asked questions about Big Yellow Calculator ### What makes Big Yellow Calculator stand out from other calculator apps? Big Yellow Calculator distinguishes itself by offering customizable layouts, allowing users to switch between standard and scientific modes. It also features the ability to store up to 10 intermediate results, which is particularly useful for complex calculations. ### Can I store previous calculations in Big Yellow Calculator? Yes, Big Yellow Calculator allows you to store up to 10 intermediate results. This feature is helpful when working on multi-step calculations and needing to refer back to earlier figures. ### What types of layouts does Big Yellow Calculator offer? Big Yellow Calculator provides different layout options to suit your needs. You can choose a standard layout for everyday calculations or switch to a scientific layout for more advanced mathematical operations. ### Is Big Yellow Calculator available on Android devices? Based on the provided information, Big Yellow Calculator is designed for iOS devices, specifically iPhone and iPod. There is no mention of Android compatibility. ### How often is Big Yellow Calculator updated? The latest version of Big Yellow Calculator is 1.0.28, and it was last updated on October 2, 2025. This indicates a recent update, suggesting ongoing development and support. ### What is the age rating for Big Yellow Calculator? Big Yellow Calculator has an age rating of 4+. This means it is suitable for users aged 4 and above, indicating it contains no mature content. ### Does Big Yellow Calculator have ads? No, Big Yellow Calculator does not contain advertisements. The application is free to download and use without any ad interruptions. ### What is the user rating for Big Yellow Calculator? Big Yellow Calculator has a perfect rating of 5.0 stars based on 1 review. This suggests a highly positive user experience from its current user base. ## Version history (last 5 releases) ### 1.0.29 — 2026-07-08 Optimized page design with unified visual style. ### 1.0.28 — 2025-10-02 Improve user experience. ### 1.0.27 — 2024-11-24 Replace the deprecated functions with new implementations. ### 1.0.23 — 2024-09-12 Improve user experience. ### 1.0.21 — 2024-04-30 Add privacy manifest file ## More apps by 山 黄 - [Metadata Stamp](https://appshunter.io/ios/app/metadata-stamp/id6474674942) - [Birthday Reminder: Lunar cal](https://appshunter.io/ios/app/birthday-reminder-lunar-cal/id6479518154) - [Big Yellow Exif Editor](https://appshunter.io/ios/app/big-yellow-exif-editor/id6499577312) - [Big Yellow Music Player](https://appshunter.io/ios/app/big-yellow-music-player/id6733245274) - [Timeline Filter](https://appshunter.io/ios/app/timeline-filter/id6739752316) All apps by 山 黄: https://appshunter.io/developer/1679305097 --- *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 2026-07-20.*