Yes Calculator app for iPhone and iPad

● 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

Swipe up keyboard: to use advanced scientific&statistical functions.
Swipe down keyboard: to use basic functions with big buttons.

Use advanced scientific&statistical functions.

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.

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.

Tap Check button: Save current formula immediately.
Tap AC button: Formula is saved smartly and clear.
Long tap AC button: Discard current formula.

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.

Double tap on a history record.

Long tap on a history, and select copy, then switch to another app and paste.

Swipe left: Delete a history.
Delete all: Use the Clear button on the upper-right of screen and confirm.

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.

If having any question or suggestions, please write to: [email protected]
There are links in the preference page.