Calculator with 13 button vs eCalc

A calculator with a (13) button that allows for fast typing

eCalc Easy Calculator is your everyday math and conversion toolkit. Why switch between multiple apps when you can have everything in one clean, fast, and distraction-free workspace? UNINTERRUPTED & AD-FREE Enjoy a premium experience with absolutely zero ads and no subscriptions. Every tool is fully accessible right out of the box. KEY FEATURES Smart Calculator • Fast everyday math with a sleek, large-button keypad. • Advanced scientific functions when you need them. • Calculation history so you can revisit and reuse recent results. Light & Dark Theme • Switch between Light, Dark, or follow your system setting. • A true black dark mode that’s easy on the eyes at night. Currency Converter • Real-time exchange rates for travel, shopping, and business. • Reliable offline fallback so you can convert anywhere. Unit Converter • Convert length, weight, temperature, volume, area, speed, data, and time. • Searchable unit picker — find any unit in seconds, even in long lists. • Local & regional units used every day: Chinese, Taiwan, and Hong Kong jin/catty and tael; Korean geun; Japanese kin; Vietnamese lạng; ping/pyeong/tsubo for property; Chinese mu; Thai rai; cooking cups, spoons, and pints. • The right regional default when you first open a converter — no hunting for 斤 or 坪. Tip & Bill Splitter • Dining out? Instantly calculate tips and split the bill among friends. Discount Calculator • See the final price after discounts and taxes before you check out. Loan Estimator • Estimate your payment schedule, interest, and total loan cost. • For general reference only — not professional financial advice. Date Calculator • Find the duration between two dates, or add/subtract days for events and deadlines. WHY CHOOSE THIS APP? • Distraction-Free: No pop-ups, no ads — just seamless productivity. • Minimalist & Intuitive: Clutter-free design built for speed. • Works Where You Are: Local units and currencies for Asia, Europe, and beyond. • Privacy First: This app does not track you or collect personal data. Simplify your daily tasks. Download Calculator: Fast & Accurate today!