Yes Calculator - Lumos Educational App Store

● Swipe to move the cursor to easily edit long equations ● Swipe up and down on the vertical screen to quickly switch between basic mode and advanced scientific mode ● Edit and save equations, recall and modify historical equations and recalculate ● No need to press =, the calculation result will be displayed in real time ● The history records are saved intelligently, and a bunch of useless intermediate operations will not be recorded ● Easier to use than the built-in calculator, supports iPad split screen use ● It is very suitable for daily calculation use, the history records are easy to check at any time, super easy to use and easy to use # Portrait screen mode # Swipe up keyboard: to use advanced scientific&statistical functions. Swipe down keyboard: to use basic functions with big buttons. # Landscape screen mode # Use advanced scientific&statistical functions. # Get result real time # Never need to tap = sign, the result is display in real-time, If there is error in the formula, the color of the result is turn to dimmed. # Edit Formula Freely # Tap on formula: move the input point freely. Tap the Left Arrow button: Left move the input point by a char. Tap the Right Arrow button: Right move the input point by a char. Support multiple brackets () Tap Del button: Delete a char on the left of the input point. Long tap Delete button: Delete all chars on the left of the input point. # History Saving # Tap Check button: Save current formula immediately. Tap AC button: Formula is saved smartly and clear. Long tap AC button: Discard current formula. # Histories # Tap the button on the left side of the result region to access histories list. The most recent history is on the top of the list. # Reuse a History # Double tap on a history record. # Share a Formula and Result # Long tap on a history, and select copy, then switch to another app and paste. # History Delete # Swipe left: Delete a history. Delete all: Use the Clear button on the upper-right of screen and confirm. # Settings # Tap on the gear button to access the preference page, and then to access settings bundle menus. Fraction digits up to 15. Division symbol can select "÷" or "/" Support all types of decimal separator and digit-grouping type, including European and Indian format, automatic or manual. # Contact and Support # If having any question or suggestions, please write to: yes_app@qq.com There are links in the preference page.