Grid Calculator. vs LumiCalc

【Grid Calculator】 gathers everyday arithmetic, scientific functions, photo-based problem solving and conversion tools into one place, so a whole day's calculations stay in a single app. Everyday Calculator Addition, subtraction, multiplication, division and percentages, with the expression and the running result shown together so you can check each step as you type. Scientific Functions Trigonometry, logarithms, powers and roots are laid out on a dedicated keypad for coursework, engineering notes or any task that goes past basic arithmetic. Photo Problem Solving Point the camera at a written problem, adjust the four corners to frame it, and read a step-by-step walkthrough of how the answer is reached. Currency Conversion Convert between 40 currencies using rates fetched online, with the latest values kept on the device so figures remain available when the network drops. Unit Conversion Move between length, area, volume, weight, temperature, time and speed across 55 units, with the pair you use most remembered for next time. History and Appearance Calculations and conversions are grouped by date for quick lookup, while themes, backgrounds, key sounds and decimal precision can be adjusted to suit how you work. Arithmetic, scientific work, photo solving and conversions in one organised place — download today and keep every calculation together. Premium Account Pricing and Terms $7.99/week* $39.99/year* *Prices are shown in US dollars. Actual charges may be converted into 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. The account will be charged for renewal within 24 hours prior to the end of the current period, and the cost of the renewal will be provided. 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://luyouflow.xyz/jisuanqi/privacy.html

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/