ui.md

User interface

• The 1st row of the LCD is the input box - this is where you enter the mathematical expression.
• The 2nd row of the LCD is the result box - calculation results and system messages will appear there.

Keymap

Normal mode

+-----+-----+-----+-----+-----+
|  7  |  8  |  9  | del |  .  |
+-----+-----+-----+-----+-----+
|  4  |  5  |  6  |  +  |  -  |
+-----+-----+-----+-----+-----+
|  1  |  2  |  3  |  *  |  /  |
+-----+-----+-----+-----+-----+
|  0  |  <- | ->  |  =  | Fn  |
+-----+-----+-----+-----+-----+

Explanation:

• del: backspace
• <- & ->: cursor movement

Fn mode

You can enter the Fn mode by tapping the Fn key (see keymap above).

+-----+-----+-----+-----+-----+
| sqr | abs | cbr |     | clr |
+-----+-----+-----+-----+-----+
| sin | cos | tan |     |     |
+-----+-----+-----+-----+-----+
| pi  |  e  |  x  |  (  |  )  |
+-----+-----+-----+-----+-----+
| flo | cei | log |  ^  |     |
+-----+-----+-----+-----+-----+

Explanation:

• x: last calculation result.
• sqr: square root
• cbr: cubic root
• clr: clear input box