diff --git a/qt_gui/main.qml b/qt_gui/main.qml
index 98374b3..3e5936c 100644
--- a/qt_gui/main.qml
+++ b/qt_gui/main.qml
@@ -136,7 +136,7 @@ ApplicationWindow
 							horizontalAlignment: Text.AlignHCenter
 							font.pointSize: 16
 							color: "gray"
-							text: {"<br><br><br>" + getShiftedDownText(parent.parent.objectName, index)}
+							text: {"<br><br>" + getShiftedDownText(parent.parent.objectName, index)}
 								textFormat: Text.RichText
 								anchors.centerIn: parent
 						}
@@ -168,7 +168,7 @@ ApplicationWindow
 		["Shift", "1/x", " √<span style=\"text-decoration: overline\">x</span> ",   "CL<i>x</i>"],
 		["y<sup>x</sup> ",   "ln(x)", "log(x)", "π"],
 		["R▼",      "e<sup>x</sup>",   "10<sup>x</sup>",   ""],
-		["sin",      "cos",      "tan",       "►rad"],
+		["sin(x)",      "cos(x)",      "tan(x)",       "►rad"],
 		["off",   "STO",      "RCL",       "LAST<i>x</i>"]
 		]
 
@@ -180,7 +180,7 @@ ApplicationWindow
 		["", "", "",   ""],
 		["",   "", "", ""],
 		["R▲",      "",   "",   ""],
-		["sin<sup>−1</sup>",      "cos<sup>−1</sup>",   "tan<sup>−1</sup>",       "►deg"],
+		["asin(x)",      "acos(x)",   "atan(x)",       "►deg"],
 		["",   "",      "",       ""]
 		]
 
diff --git a/src/lcd.c b/src/lcd.c
index c6319b6..278df08 100644
--- a/src/lcd.c
+++ b/src/lcd.c
@@ -201,6 +201,13 @@ void LCD_Open(void) {
 		LCD_OutChar(0x10);
 		LCD_OutChar(0x1c);
 	}
+	//program shift down sign
+	for (i = 0; i < 5; i++){
+		LCD_OutChar(0x0);
+	}
+	LCD_OutChar(0x1F);
+	LCD_OutChar(0x0E);
+	LCD_OutChar(0x04);
 
 	//clear display
 	LCD_Clear();
diff --git a/src/lcd.h b/src/lcd.h
index 57d7254..6eb8965 100644
--- a/src/lcd.h
+++ b/src/lcd.h
@@ -38,6 +38,7 @@ void LCD_ClearToEnd(uint8_t curr_row);
 //CGRAM character address
 #define CGRAM_EXP 0
 #define CGRAM_EXP_NEG 1
+#define CGRAM_DOWN 2
 
 #include "utils.h"
 #ifdef DESKTOP
diff --git a/src/lcd_emulator.c b/src/lcd_emulator.c
index 1b05520..a9bf642 100644
--- a/src/lcd_emulator.c
+++ b/src/lcd_emulator.c
@@ -131,6 +131,8 @@ short TERMIO_PutChar(unsigned char letter) {
 		lcd_buf[lcd_row][lcd_col] = 'E';
 	} else if (letter == CGRAM_EXP_NEG) {
 		lcd_buf[lcd_row][lcd_col] = '-';
+	} else if (letter == CGRAM_DOWN) {
+		lcd_buf[lcd_row][lcd_col] = 'V';
 	} else {
 		lcd_buf[lcd_row][lcd_col] = letter;
 	}
diff --git a/src/main.c b/src/main.c
index e85502c..2840d6f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -140,7 +140,7 @@ static void latch_on(void)
 
 __xdata char EntryBuf[MAX_CHARS_PER_LINE + 1];
 __xdata uint8_t ExpBuf[2];
-__code const char VER_STR[32+1] = "STC RPN         Calculator v1.10";
+__code const char VER_STR[32+1] = "STC RPN         Calculator v1.11";
 
 
 enum {
@@ -530,7 +530,7 @@ int main()
 			TERMIO_PutChar(' ');
 #endif
 		} else if (IsShiftedDown){
-			TERMIO_PutChar('v');
+			TERMIO_PutChar(CGRAM_DOWN);
 		}
 
 #ifdef DESKTOP