diff --git a/MicroView.cpp b/MicroView.cpp
index b0d0b5a..af501e3 100644
--- a/MicroView.cpp
+++ b/MicroView.cpp
@@ -5,8 +5,9 @@
 // Change to add fonts
 #include <font5x7.h>
 #include <font8x16.h>
-#define TOTALFONTS			2
-const unsigned char *MICROVIEW::fontsPointer[]={font5x7,font8x16};
+#include <fontlargenumber.h>
+#define TOTALFONTS			3
+const unsigned char *MICROVIEW::fontsPointer[]={font5x7,font8x16,fontlargenumber};
 // Change to add fonts
 
 
@@ -448,7 +449,7 @@ size_t MICROVIEW::write(uint8_t c) {
 
 	void  MICROVIEW::drawChar(uint8_t x, uint8_t y, uint8_t c, uint8_t color, uint8_t mode) {
 		//void  MICROVIEW::drawChar(uint8_t x, uint8_t line, uint8_t c, uint8_t mode) {
-		uint8_t rowsToDraw,row;
+		uint8_t rowsToDraw,row, tempC;
 		uint8_t i,j,tempX;
 		uint16_t charPerBitmapRow,charColPositionOnBitmap,charRowPositionOnBitmap,charBitmapStartPosition;
 		// TODO - char must be able to be drawn anywhere, not limited by line
@@ -457,18 +458,23 @@ size_t MICROVIEW::write(uint8_t c) {
 		//if ((line >= LCDHEIGHT/fontHeight) || (x > (LCDWIDTH - fontWidth)))
 		//return;
 		
+		if ((c<fontStartChar) || (c>(fontStartChar+fontTotalChar-1)))		// no bitmap for the required c
+			return;
+		
+		tempC=c-fontStartChar;
+		
 		tempX=x;
 		// each row (in datasheet is call page) is 8 bits high, 16 bit high character will have 2 rows to be drawn
 		rowsToDraw=fontHeight/8;	// 8 is LCD's page size, see SSD1306 datasheet
 		if (rowsToDraw<=1) rowsToDraw=1;
 
-		// can draw anywhere on the screen, but SLOW pixel by pixel draw
+		// the following draw function can draw anywhere on the screen, but SLOW pixel by pixel draw
 		if (rowsToDraw==1) {
 			for  (i=0;i<fontWidth+1;i++) {
 				if (i==fontWidth) // this is done in a weird way because for 5x7 font, there is no margin, this code add a margin after col 5
 				tempX=0;
 				else
-				tempX=pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(c*fontWidth)+i);
+				tempX=pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(tempC*fontWidth)+i);
 				
 				for (j=0;j<8;j++) {			// 8 is the LCD's page height (see datasheet for explanation)
 					if (tempX & 0x1) {
@@ -484,12 +490,11 @@ size_t MICROVIEW::write(uint8_t c) {
 			return;
 		}
 
-
 		// font height over 8 bit
 		// take character "0" ASCII 48 as example
 		charPerBitmapRow=fontMapWidth/fontWidth;  // 256/8 =32 char per row
-		charColPositionOnBitmap=c % charPerBitmapRow;  // =16
-		charRowPositionOnBitmap=int(c/charPerBitmapRow); // =1
+		charColPositionOnBitmap=tempC % charPerBitmapRow;  // =16
+		charRowPositionOnBitmap=int(tempC/charPerBitmapRow); // =1
 		charBitmapStartPosition=(charRowPositionOnBitmap * fontMapWidth * (fontHeight/8)) + (charColPositionOnBitmap * fontWidth) ;
 
 		// each row on LCD is 8 bit height (see datasheet for explanation)
diff --git a/examples/MicroViewDemo/MicroViewDemo.ino b/examples/MicroViewDemo/MicroViewDemo.ino
new file mode 100644
index 0000000..7028289
--- /dev/null
+++ b/examples/MicroViewDemo/MicroViewDemo.ino
@@ -0,0 +1,98 @@
+#include <MicroView.h>
+#include <SPI.h>
+
+MICROVIEW mv;
+
+uint8_t dly=5;
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("start");
+  mv.begin();
+  mv.clear(ALL);
+}
+
+void loop() {
+    int i;
+    uint8_t x0,y0,x1,y1;
+    
+    mv.setFontType(0);
+    mv.setCursor(0,40);
+    mv.print("   LINE   ");    
+    mv.display();
+    delay(500);
+    
+    for (i=0; i<150;i++) {
+    x0=random(64);
+    x1=random(64);
+    y0=random(48);
+    y1=random(48);
+    
+    mv.line(x0,y0,x1,y1, WHITE, XOR);
+    mv.display();
+    delay(dly);    
+    mv.line(x0,y0,x1,y1, WHITE,XOR);
+    mv.display();
+    }
+
+    mv.setCursor(0,40);
+    mv.print("RECTANGLE ");    
+    mv.display();
+    delay(500);
+
+    x0=0;y0=0;x1=0;y1=0;
+    for (i=1; i<64;i++) {
+    y1=i;
+    if (y1>47) y1=47;
+    mv.rect(x0,y0,i,y1,WHITE,XOR);
+    mv.display();
+    delay(dly);
+    mv.rect(x0,y0,i,y1,WHITE,XOR);
+    mv.display();
+    }
+  
+    mv.setCursor(0,40);
+    mv.print("  CIRCLE  ");    
+    mv.display();
+    delay(500);
+    
+    x0=32;y0=24;
+    for (i=0;i<32;i++) {
+      mv.circle(x0,y0,i,WHITE,XOR);
+      mv.display();
+      delay(dly);
+      mv.circle(x0,y0,i,WHITE,XOR);
+      mv.display();
+      delay(dly);
+      
+    }
+
+    delay(500);
+    
+    mv.clear(PAGE);
+    mv.setCursor(0,40);
+    mv.print("  Font 0  ");    
+    mv.display();
+
+    mv.setFontType(0);
+    mv.setCursor(0,0);
+    mv.print("01234567890ABCDabcd01234567890ABCDabcd");
+    mv.display();
+    delay(1500);
+
+
+    mv.clear(PAGE);
+    mv.setCursor(0,40);
+    mv.print("  Font 1  ");    
+    mv.display();
+
+    mv.setFontType(1);
+    mv.setCursor(0,0);
+    mv.print("0123ABCDabcd");
+    mv.display();
+    delay(1500);
+    mv.clear(PAGE);
+
+}
+
+
diff --git a/fontlargenumber.h b/fontlargenumber.h
new file mode 100644
index 0000000..d9b130f
--- /dev/null
+++ b/fontlargenumber.h
@@ -0,0 +1,60 @@
+#ifndef FONTLARGENUMBER_H
+#define FONTLARGENUMBER_H
+
+#include <avr/pgmspace.h>
+
+static const unsigned char fontlargenumber[] PROGMEM = {
+	// first row FONTTYPE, FONTWIDTH, FONTHEIGHT, ASCII START CHAR, TOTAL CHARACTERS, FONT MAP WIDTH HIGH, FONT MAP WIDTH LOW (2,56 meaning 256)
+	2,12,48,48,11,1,32,
+0x00, 0xC0, 0xF8, 0x7C, 0x3E, 0x3E, 0xFC, 0xF8, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xE0,
+0x78, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x7C, 0x3C, 0x3E, 0x3E, 0xFE, 0xFC,
+0xE0, 0x00, 0x00, 0x00, 0x00, 0x7C, 0x3E, 0x3E, 0x3E, 0xFE, 0xF8, 0xC0, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFE, 0x3E,
+0x3E, 0x3E, 0x3E, 0x3E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xF0, 0xFC, 0x3E, 0x3E, 0x3E,
+0xFC, 0x00, 0x00, 0x00, 0x00, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0xFE, 0xFE, 0x00, 0x00,
+0x00, 0x00, 0xC0, 0xF8, 0xFE, 0x3E, 0x7E, 0xFC, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xFC,
+0x7E, 0x3E, 0xFE, 0xF8, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xE0, 0xC0, 0x00,
+0x00, 0x00, 0x00, 0x00, 0xF0, 0xFF, 0x0F, 0x00, 0x00, 0x00, 0xF9, 0xFF, 0xFF, 0xF0, 0x00, 0x00,
+0x00, 0x00, 0x07, 0x03, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
+0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xFF, 0x1F, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
+0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xFF, 0x3F,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFC,
+0x7F, 0x03, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+0x00, 0xFE, 0xFF, 0x03, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x3F, 0x7F, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xE0, 0xFF, 0x1F, 0x00,
+0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xFE, 0x1F, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xF8,
+0xFC, 0xFF, 0xC7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFE, 0x3F, 0x03, 0x00, 0xFF, 0xFF,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x3F, 0x3E, 0x7E, 0xFC, 0xF8, 0xE0, 0x00, 0x00, 0x00, 0x00,
+0x00, 0xFF, 0xFF, 0x80, 0xF0, 0x7C, 0x7C, 0xF8, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x80, 0xF8, 0xFF, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x9F, 0xFF, 0xF8, 0xFE, 0x1F,
+0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xC0, 0x00, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xC0, 0xFC,
+0x7F, 0x03, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xFE, 0x0F, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x0F, 0xFF, 0xF8, 0x00, 0x00, 0x00, 0xF8, 0xFF, 0xE7, 0xE0,
+0xE0, 0xE0, 0xFF, 0xFF, 0xE0, 0xE0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xFF,
+0xFE, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x03, 0x00, 0x00, 0x01, 0xFF, 0xFF, 0x00, 0x00,
+0x00, 0x00, 0x00, 0xF0, 0xFF, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFC, 0x3F,
+0x03, 0x03, 0x1F, 0xFF, 0xFC, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x1F, 0x3E, 0x3E, 0x0F, 0x01,
+0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x07, 0xFF, 0xFF, 0x07, 0x00, 0x00, 0x00, 0xFC, 0xFF, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xFE, 0x0F, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xFF, 0x7F, 0x00, 0x00, 0x00,
+0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0xFF, 0xFF, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0xC0, 0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFF, 0xFF, 0x80, 0x00, 0x00, 0x80,
+0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0xFF, 0xFF, 0x80, 0x00, 0x00, 0x00, 0x80, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x80, 0xFC, 0xFF, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x1F, 0x3F, 0x7C, 0x7C, 0x3F, 0x1F, 0x03, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x7C, 0x7C, 0x7C, 0x7F, 0x7F, 0x7C, 0x7C, 0x7C, 0x00, 0x00, 0x00, 0x7F, 0x7F, 0x7C,
+0x7C, 0x7C, 0x7C, 0x7C, 0x7C, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x7E, 0x7C, 0x7C, 0x7E, 0x1F, 0x07,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x7F, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x1F, 0x3E, 0x7C, 0x7C, 0x3E, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x1F,
+0x7F, 0x7C, 0x7C, 0x3F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x7F, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x1F, 0x3F, 0x7E, 0x7C, 0x7E, 0x3F, 0x1F, 0x01, 0x00, 0x00,
+0x00, 0x00, 0x3E, 0x7C, 0x7C, 0x7E, 0x3F, 0x0F, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+};
+#endif