diff --git a/lab1/src/main.rs b/lab1/src/main.rs
index 09217a7..0dbdf98 100644
--- a/lab1/src/main.rs
+++ b/lab1/src/main.rs
@@ -2,7 +2,7 @@
 
 mod algo;
 
-use bgtu_ai_utility::labeled_slider;
+use bgtu_ai_utility::gui::{boot_eframe, labeled_slider};
 use eframe::egui;
 use eframe::egui::{CornerRadius, Frame};
 use eframe::epaint::{Color32, Pos2, Rect};
@@ -10,15 +10,7 @@ use rand::SeedableRng;
 use std::time::{SystemTime, UNIX_EPOCH};
 
 fn main() -> eframe::Result {
-    let options = eframe::NativeOptions {
-        viewport: egui::ViewportBuilder::default().with_inner_size([640.0, 400.0]),
-        ..Default::default()
-    };
-    eframe::run_native(
-        "Annealing Simulation for Chess Queens Task",
-        options,
-        Box::new(|_cc| Ok(Box::<MyApp>::default())),
-    )
+   return boot_eframe(||MyApp::new())
 }
 
 struct MyApp {
@@ -28,9 +20,9 @@ struct MyApp {
     result: Option<algo::Board>,
 }
 
-impl Default for MyApp {
-    fn default() -> Self {
-        Self {
+impl MyApp {
+    fn new() -> Self {
+        return Self {
             simulationConfig: algo::AnnealingConfig {
                 initialTemperature: 30.0,
                 targetTemperature: 0.5,
diff --git a/lab2/src/main.rs b/lab2/src/main.rs
index a8be12b..10efcf4 100644
--- a/lab2/src/main.rs
+++ b/lab2/src/main.rs
@@ -3,20 +3,12 @@
 mod algo;
 
 use crate::algo::BitVector;
-use bgtu_ai_utility::labeled_slider;
+use bgtu_ai_utility::gui::{boot_eframe, labeled_slider};
 use eframe::egui;
 use egui_extras::{Column, TableBuilder};
 
 fn main() -> eframe::Result {
-    let options = eframe::NativeOptions {
-        viewport: egui::ViewportBuilder::default().with_inner_size([640.0, 400.0]),
-        ..Default::default()
-    };
-    eframe::run_native(
-        "Adaptive Resonance Theory calculater",
-        options,
-        Box::new(|_cc| Ok(Box::<MyApp>::default())),
-    )
+    return boot_eframe(|| MyApp::new());
 }
 
 enum UpdatePending {
@@ -36,8 +28,8 @@ struct MyApp {
     rowUpdate: UpdatePending,
 }
 
-impl Default for MyApp {
-    fn default() -> Self {
+impl MyApp {
+    fn new() -> Self {
         return Self {
             _isFirstFrame: true,
             bitCount: 0,
diff --git a/lab3/src/main.rs b/lab3/src/main.rs
index 7baef92..5fd4ba1 100644
--- a/lab3/src/main.rs
+++ b/lab3/src/main.rs
@@ -8,23 +8,16 @@ use crate::algo::{
 };
 use bgtu_ai_utility::gui::lengths_table::{draw_lengths_table, UpdatePending};
 use bgtu_ai_utility::gui::render::render_graph;
-use bgtu_ai_utility::labeled_slider;
+use bgtu_ai_utility::gui::{boot_eframe, labeled_slider};
 use eframe::egui;
 use eframe::egui::{Frame, Ui};
 use std::collections::HashSet;
 
 fn main() -> eframe::Result {
-    let options = eframe::NativeOptions {
-        viewport: egui::ViewportBuilder::default().with_inner_size([640.0, 400.0]),
-        ..Default::default()
-    };
-    eframe::run_native(
-        "Ants simulation",
-        options,
-        Box::new(|_cc| Ok(Box::<MyApp>::default())),
-    )
+    return boot_eframe(|| MyApp::new());
 }
 
+
 enum GlobalState {
     Edit,
     Running,
@@ -39,8 +32,8 @@ struct MyApp {
     ants_per_vertex: usize,
 }
 
-impl Default for MyApp {
-    fn default() -> Self {
+impl MyApp {
+    fn new() -> Self {
         return Self {
             simulation: AntsSimulationState {
                 edges: EdgesVec::new(),
diff --git a/lab4/src/main.rs b/lab4/src/main.rs
index ad9500c..1918f87 100644
--- a/lab4/src/main.rs
+++ b/lab4/src/main.rs
@@ -5,24 +5,17 @@
 mod algo;
 
 use crate::algo::{gen_images, ComparationOperatorsModel};
-use bgtu_ai_utility::labeled_slider;
+use bgtu_ai_utility::gui::{boot_eframe, labeled_slider};
 use eframe::egui;
 use eframe::egui::Widget;
 use egui_extras::{Column, TableBuilder};
 use std::cmp::min;
 
 fn main() -> eframe::Result {
-    let options = eframe::NativeOptions {
-        viewport: egui::ViewportBuilder::default().with_inner_size([640.0, 400.0]),
-        ..Default::default()
-    };
-    eframe::run_native(
-        "Neural net",
-        options,
-        Box::new(|_cc| Ok(Box::<MyApp>::default())),
-    )
+    return boot_eframe(|| MyApp::new());
 }
 
+
 enum TrainingState {
     NoTrain,
     Training {
@@ -42,8 +35,8 @@ struct MyApp {
     compute_result: [f64; 8],
 }
 
-impl Default for MyApp {
-    fn default() -> Self {
+impl MyApp {
+    fn new() -> Self {
         let imgs = gen_images();
         return Self {
             model: ComparationOperatorsModel::new(imgs.1),
diff --git a/utility/src/gui/boot.rs b/utility/src/gui/boot.rs
new file mode 100644
index 0000000..ea82f11
--- /dev/null
+++ b/utility/src/gui/boot.rs
@@ -0,0 +1,13 @@
+use eframe::egui;
+
+pub fn boot_eframe<T: eframe::App>(init_data: impl FnOnce() -> T) ->eframe::Result {
+    let options = eframe::NativeOptions {
+        viewport: egui::ViewportBuilder::default().with_inner_size([640.0, 400.0]),
+        ..Default::default()
+    };
+    eframe::run_native(
+        "Annealing Simulation for Chess Queens Task",
+        options,
+        Box::new(|_cc| Ok(Box::<T>::new(init_data()))),
+    )
+}
\ No newline at end of file
diff --git a/utility/src/gui/lengths_table.rs b/utility/src/gui/lengths_table.rs
index 30b1503..5a161d8 100644
--- a/utility/src/gui/lengths_table.rs
+++ b/utility/src/gui/lengths_table.rs
@@ -1,5 +1,5 @@
 use crate::graph::{EdgesVec, VerticesVec};
-use crate::slider;
+use crate::gui::slider;
 use eframe::egui::{ScrollArea, Ui};
 use egui_extras::{Column, TableBuilder};
 use std::ptr::NonNull;
diff --git a/utility/src/gui/mod.rs b/utility/src/gui/mod.rs
index d444494..adc3f22 100644
--- a/utility/src/gui/mod.rs
+++ b/utility/src/gui/mod.rs
@@ -1,2 +1,7 @@
 pub mod lengths_table;
 pub mod render;
+mod slider;
+mod boot;
+
+pub use slider::{slider, labeled_slider};
+pub use boot::boot_eframe;
\ No newline at end of file
diff --git a/utility/src/slider.rs b/utility/src/gui/slider.rs
similarity index 100%
rename from utility/src/slider.rs
rename to utility/src/gui/slider.rs
diff --git a/utility/src/lib.rs b/utility/src/lib.rs
index ece6d42..f3c16e9 100644
--- a/utility/src/lib.rs
+++ b/utility/src/lib.rs
@@ -1,5 +1,3 @@
 pub mod graph;
 pub mod gui;
-mod slider;
 
-pub use slider::{slider, labeled_slider};
\ No newline at end of file