Overall instructions are,

- Incredibly easy-to-use and intelligent calculator
- Elaborate and neat UI for input, output and user controls
- Convenient and versatile control functions
- Calculation result real-time displayed as you input & blinking cursor for improved usability
- Organized into 5 efficient tabs with useful features (Basic, General, Advance, Constant, and Convert)
- Supports both swipe gestures and tab
(Notice: Basic number buttons does not support swipe. This is to prevent wobble by according to the swipe function support to enable robust key input.)
- Inputs and results are shared across all tabs.
- Supports continuous input (c.f, 123 + 456 x 789 ÷ 321 + 123 than 500.518)
- Reuse previous result using M0 ~ M4 memory buttons
- Supports various kinds of mathematics function in each sub-functions
- can be copy to clipboard
- Four color can be change
- In addition, additional convenient functions are provided by option menu
- Simple and easy to use