calculator DUO vs LumiCalc

Calculate comfortably with one hand. Put past answers to work. Move the keypad within thumb reach, reuse saved results with a tap, and swipe to correct your input. Handle everyday math, scientific functions, dates and time in one place. 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.

LumiCalc combines a calculator with your keyboard: bring it up in any app to calculate, convert units, and type—with themes and colors you choose. Look good, work well Preset themes (Caramel Dune, Aurora Night, Violet Night, and more)—switch in one tap Custom keycap colors and backlight, including mosaic-style gradients Adjustable keycap and highlight corners for your own style Calculate & convert Basic math: addition, subtraction, multiplication, division—free to use Scientific (SCI): trig, log, square root, and more—requires subscription after trial Unit conversion (UNIT): length, weight, temperature, area, and more—requires subscription after trial English and Chinese UI and unit labels supported Subscription 3-day free trial. During the trial you can use scientific and unit conversion; after the trial, SCI and UNIT require a subscription. Themes, custom colors, saving designs, and other premium features also require a subscription. Built for anyone who wants a keyboard that’s both useful and looks the way you like. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/