Handy Calc+
Handy Calc+ Summary
Handy Calc+ is a mobile iOS app in Tools by Kyu-Hee Jang. Released in Sep 2021 (4 years ago). Store metadata: updated Feb 21, 2026.
Store info: Last updated on App Store on Feb 21, 2026 .
0★
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App Description
Rethink your calculator.
Built for people tired of cluttered buttons. Open and start calculating instantly. A clean interface with every feature you actually need.
◆ Everyday Math, One-Handed
Intuitive keypad layout for fast, accurate calculations. Your full expression is displayed on screen so you can catch mistakes instantly.
◆ Full Scientific Calculator
Trig functions, logarithms, factorials, GCD, LCM, permutations, and combinations. One tap on the fx button unlocks the full scientific keyboard. Switch between RAD and DEG modes effortlessly.
◆ Calculation History, Auto-Saved
Every result is automatically saved to history. Tap once to recall any previous calculation.
◆ Real-Time Currency Conversion
Convert 160+ currencies with the latest exchange rates. Swap conversion direction with a single swipe. Perfect for travel, shopping, and business.
◆ Instant Unit Converter
Length, weight, temperature, area, and volume — convert any unit instantly with a single tap. Quickly handle everyday conversions like km↔mi, kg↔lb, °C↔°F, and more.
◆ Make It Yours
Customize keyboard colors to your taste and set decimal precision from 4 to 12 digits. Your calculator, your style.
Simplicity meets power. Download now.