Apps by 山 黄
Big Yellow Calculator app icon

Utilities

Big Yellow Calculator

山 黄

Free download 5.00 · 1 storefront · 1 rating In-app purchases unconfirmed
Open on Apple

About this app

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!

Latest release

What’s New

Version 1.0.29 Jul 8, 2026

Optimized page design with unified visual style.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
1 ratings
1 Aug 21, 2026 · 1 ratings Aug 21, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 21, 2026 · Free Aug 21, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 21, 2026 · 10:53 PM Free

Screenshots

Big Yellow Calculator iPhone screenshotBig Yellow Calculator iPhone screenshot