효자손 계산기 - 큰글씨
Android app by mple. Productivity · mple
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.0.3
- Listing last refreshed
- 2026-09-18
View the original store listing
Store description excerpt
📱 Hyojason Calculator — A large-print calculator for comfortable use, even for those with presbyopia Do you have trouble seeing small print because your vision is blurry? Do you want to calculate without a magnifying glass? The Hyojason Calculator features large buttons, large numbers, and displays results in a large format. Just like a back scratcher, it solves the inconvenience of out-of-reach areas. ────────────────────────── ✅ Key Features ────────────────────────── 🔢 Basic Calculations • Basic arithmetic operations including addition, subtraction, multiplication, and division • Supports decimal points, sign conversion, and continuous calculations • Displays commas for thousands separators (e.g., 1,234,567) 💰 Value Added Tax (VAT) Calculation • Calculate price including VAT with a single press of the VAT+ button (×1.1) • Calculate price excluding VAT with the VAT− button (÷1.1) • Practical for markets, shops, and self-employed individuals 📋 Calculation History • Automatically saves the last 10 calculations • Tap to copy the result immediately 🔠 Font Size Adjustment • Small / Medium / Large / Very Large — 4 levels of adjustment • Customizable to suit your level of presbyopia 🌓 Light / Dark Theme • Bright outdoor environments → Light Theme • Dark indoor environments → Dark Theme 📳 Vibration · Sound Feedback • Vibration confirmation when pressing a button • Click sound can be toggled ON/OFF 📋 Copy Result • Long press result numbers to copy to clipboard 🔆 Always On • Can be set to prevent screen from turning off during calculations ────────────────────────── ♿ Accessibility ────────────────────────── • Voice guidance (TalkBack) supported on all buttons • High contrast colors (meets WCAG AA standards) ───────────────────────── ❌ What is NOT ────────────────────────── • No ads • No internet connection required • Collection of personal information None • No unnecessary permission requests Gift this to your elderly family members 🎁 You can use it immediately after installing it on your parents' smartphone.
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