calculator DUO vs Calculator .

A scientific calculator with history, memory and a keypad made for one hand. Save useful answers and tap to use them again on iPhone and iPad. WITHIN THUMB REACH Move and resize the left- or right-hand keypad to suit your grip. KEEP THE ANSWERS YOU NEED Save useful results on a visual shelf. Tap to reuse them, recall your last answer, or search your calculation history and mark favorites. CORRECT INPUT WITH CONFIDENCE Swipe to delete a digit or function. The deleted content stays visible until your next input; tap the return button to undo the deletion. FROM EVERYDAY TO SCIENTIFIC Use arithmetic, percentages, powers, roots, logarithms and trigonometric functions. Long-press a result for a large display, with adjustable text, color, font and size. MAKE IT YOURS Five themes, optional digit grouping and an interface in 50 languages. No account is required. Expressions, saved results and calculation history are stored on your device. DATES AND TIME, TOO Find the time between two dates, add or subtract days and hours, and calculate across time zones. The free app may show banner ads. Remove Ads is an optional one-time purchase, with purchase restoration through the same Apple Account.

【NeonCalculator】 is a four-in-one calculator that handles everyday math, scientific functions, unit conversion, and currency conversion in one place, so calculating and converting happen without switching apps. Standard & Scientific Move freely between a clean standard keypad and scientific functions such as trigonometry, logarithms, powers, and constants for both quick sums and more advanced work. Unit Conversion Convert length, weight, area, volume, and temperature with results that update as you type, and swap the source and target units with a single tap. Currency Conversion Work with major world currencies, refresh reference rates automatically when online, and get an instant converted amount as soon as you enter a value. Calculation History Every result is saved in order, and tapping any entry brings it back so you can continue without retyping. Clean, Focused Layout A dark, distraction-free interface keeps the numbers at the center of the screen for comfortable reading, even over long sessions. From a quick total to a detailed conversion, NeonCalculator keeps your numbers tidy and within reach. Download it today. Premium Account Pricing and Terms $9.99/week* $39.99/year* *Prices are shown in US dollars; the actual charge may be converted to your local currency based on your country or region. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the cost of renewal will be shown. Subscriptions may be managed by the user. Auto-renewal may be turned off by going to the user's Account Settings after purchase. Cancellation of the current subscription is not allowed during an active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://laiyuzone.xyz/jisuanqi/privacy.html