diff --git a/examples/advanced/example_dual_axis_from_file.gle b/examples/advanced/example_dual_axis_from_file.gle
new file mode 100644
index 0000000..4571205
--- /dev/null
+++ b/examples/advanced/example_dual_axis_from_file.gle
@@ -0,0 +1,18 @@
+! GLE graphics file
+! Generated by gleplot
+
+size 25.4 15.24
+set hei 0.42328
+
+begin graph
+    scale auto
+    title "Climate Data - Dual Axis from File"
+    xtitle "Month"
+    ytitle "Temperature (°C)"
+    y2title "Humidity (%)"
+    data climate_data.dat d1=c1,c2 d2=c1,c3
+    d1 marker FCIRCLE msize 0.15 color BLUE err d2 errwidth 0.1059 key "Temperature"
+    data climate_data.dat d3=c1,c4 d4=c1,c5
+    d3 marker FSQUARE msize 0.15 color RED err d4 errwidth 0.1059 y2axis key "Humidity"
+    key pos tr
+end graph
\ No newline at end of file
diff --git a/examples/advanced/example_errorbar_from_file.gle b/examples/advanced/example_errorbar_from_file.gle
new file mode 100644
index 0000000..4283658
--- /dev/null
+++ b/examples/advanced/example_errorbar_from_file.gle
@@ -0,0 +1,30 @@
+! GLE graphics file
+! Generated by gleplot
+
+size 20.32 25.4
+set hei 0.42328
+
+amove 1.5 12.85
+begin graph
+    size 18.32 11.35
+    scale 1 1
+    title "Experimental Data from File"
+    ytitle "Resistance (Ω)"
+    xaxis nolast
+    xlabels off
+    data experimental_data.dat d1=c1,c2 d2=c1,c3
+    d1 marker FCIRCLE msize 0.125 color BLUE err d2 errwidth 0.1059 key "Resistance"
+    key pos tr
+end graph
+
+amove 1.5 1.5
+begin graph
+    size 18.32 11.35
+    scale 1 1
+    xtitle "Temperature (K)"
+    ytitle "Voltage (V)"
+    yaxis nolast
+    data experimental_data.dat d3=c1,c4 d4=c1,c5
+    d3 marker FSQUARE msize 0.125 color RED err d4 errwidth 0.1059 key "Voltage"
+    key pos tr
+end graph
diff --git a/examples/advanced/secondary_yaxis_circuit.gle b/examples/advanced/secondary_yaxis_circuit.gle
new file mode 100644
index 0000000..65ec0ef
--- /dev/null
+++ b/examples/advanced/secondary_yaxis_circuit.gle
@@ -0,0 +1,22 @@
+! GLE graphics file
+! Generated by gleplot
+
+size 25.4 15.24
+set hei 0.42328
+
+begin graph
+    scale auto
+    title "AC Circuit: Voltage and Current vs Time"
+    xtitle "Time (s)"
+    ytitle "Voltage (V)"
+    y2title "Current (A)"
+    data data_4.dat d1=c1,c2
+    d1 line smooth color RED lwidth 0.07056 key "Voltage 1"
+    data data_5.dat d2=c1,c2
+    d2 line smooth color DARKRED lwidth 0.07056 lstyle 2 key "Voltage 2"
+    data data_6.dat d3=c1,c2
+    d3 line smooth color BLUE lwidth 0.07056 y2axis key "Current 1"
+    data data_7.dat d4=c1,c2
+    d4 line smooth color DARKBLUE lwidth 0.07056 lstyle 2 y2axis key "Current 2"
+    key pos tr
+end graph
\ No newline at end of file
diff --git a/examples/advanced/secondary_yaxis_errorbar.gle b/examples/advanced/secondary_yaxis_errorbar.gle
new file mode 100644
index 0000000..477d6a1
--- /dev/null
+++ b/examples/advanced/secondary_yaxis_errorbar.gle
@@ -0,0 +1,18 @@
+! GLE graphics file
+! Generated by gleplot
+
+size 25.4 15.24
+set hei 0.42328
+
+begin graph
+    scale auto
+    title "Dual-Axis Measurements with Error Bars"
+    xtitle "Sample Number"
+    ytitle "Measurement A (units)"
+    y2title "Measurement B (units)"
+    data data_8.dat d1=c1,c2
+    d1 marker FCIRCLE msize 0.3 color ORANGE key "Measurement A"
+    data data_9.dat d2=c1,c2 d3=c1,c3
+    d2 marker FCIRCLE msize 0.2 color BLACK line lwidth 0.05292 err d3 errwidth 0.1765 y2axis key "Measurement B"
+    key pos tr
+end graph
\ No newline at end of file
diff --git a/examples/advanced/secondary_yaxis_growth.gle b/examples/advanced/secondary_yaxis_growth.gle
new file mode 100644
index 0000000..197c277
--- /dev/null
+++ b/examples/advanced/secondary_yaxis_growth.gle
@@ -0,0 +1,19 @@
+! GLE graphics file
+! Generated by gleplot
+
+size 25.4 15.24
+set hei 0.42328
+
+begin graph
+    scale auto
+    title "Comparing Growth Rates"
+    xtitle "x"
+    ytitle "x²"
+    y2title "eˣ"
+    y2axis log
+    data data_2.dat d1=c1,c2
+    d1 line smooth color GREEN lwidth 0.07056 key "Quadratic: x²"
+    data data_3.dat d2=c1,c2
+    d2 line smooth color PURPLE lwidth 0.07056 y2axis key "Exponential: eˣ"
+    key pos tr
+end graph
\ No newline at end of file
diff --git a/examples/advanced/secondary_yaxis_temp_humidity.gle b/examples/advanced/secondary_yaxis_temp_humidity.gle
new file mode 100644
index 0000000..580e1a5
--- /dev/null
+++ b/examples/advanced/secondary_yaxis_temp_humidity.gle
@@ -0,0 +1,20 @@
+! GLE graphics file
+! Generated by gleplot
+
+size 25.4 15.24
+set hei 0.42328
+
+begin graph
+    scale auto
+    title "Daily Temperature and Humidity"
+    xtitle "Day of Month"
+    ytitle "Temperature (°C)"
+    y2title "Humidity (%)"
+    yaxis min 10 max 30
+    y2axis min 30 max 90
+    data data_0.dat d1=c1,c2
+    d1 line smooth color RED lwidth 0.07056 key "Temperature"
+    data data_1.dat d2=c1,c2
+    d2 line smooth color BLUE lwidth 0.07056 y2axis key "Humidity"
+    key pos tr
+end graph
\ No newline at end of file
diff --git a/examples/example_errorbar_from_file.gle b/examples/example_errorbar_from_file.gle
new file mode 100644
index 0000000..4283658
--- /dev/null
+++ b/examples/example_errorbar_from_file.gle
@@ -0,0 +1,30 @@
+! GLE graphics file
+! Generated by gleplot
+
+size 20.32 25.4
+set hei 0.42328
+
+amove 1.5 12.85
+begin graph
+    size 18.32 11.35
+    scale 1 1
+    title "Experimental Data from File"
+    ytitle "Resistance (Ω)"
+    xaxis nolast
+    xlabels off
+    data experimental_data.dat d1=c1,c2 d2=c1,c3
+    d1 marker FCIRCLE msize 0.125 color BLUE err d2 errwidth 0.1059 key "Resistance"
+    key pos tr
+end graph
+
+amove 1.5 1.5
+begin graph
+    size 18.32 11.35
+    scale 1 1
+    xtitle "Temperature (K)"
+    ytitle "Voltage (V)"
+    yaxis nolast
+    data experimental_data.dat d3=c1,c4 d4=c1,c5
+    d3 marker FSQUARE msize 0.125 color RED err d4 errwidth 0.1059 key "Voltage"
+    key pos tr
+end graph