diff --git a/CJL/etymologie b/CJL/etymologie
new file mode 100644
index 0000000..3959e0a
--- /dev/null
+++ b/CJL/etymologie
@@ -0,0 +1,3 @@
+Jméno Lukáš: Lucas pochází z latinského názvu jihoitalské oblasti Lukánie a označuje jejího obyvatele.
+
+Příjmení Mašata: je odvozeno z osobních jmen, která začínají na Ma-: především Matěj, dále Mauritius, apod. Základním příjmením je Máša
diff --git a/ELE/2024-11-13-odpory.txt b/ELE/2024-11-13-odpory.txt
new file mode 100644
index 0000000..9371ca8
--- /dev/null
+++ b/ELE/2024-11-13-odpory.txt
@@ -0,0 +1,9 @@
+12/11 = 2A
+
+R*I = U
+R:
+2*2 = 4
+4*2 = 8
+5*2 = 10
+
+
diff --git a/ELE/du/du-backups/du-2024-11-08_150012.zip b/ELE/du/du-backups/du-2024-11-08_150012.zip
new file mode 100644
index 0000000..1bf896a
Binary files /dev/null and b/ELE/du/du-backups/du-2024-11-08_150012.zip differ
diff --git a/ELE/du/du.kicad_pcb b/ELE/du/du.kicad_pcb
new file mode 100644
index 0000000..ef218ba
--- /dev/null
+++ b/ELE/du/du.kicad_pcb
@@ -0,0 +1,2 @@
+(kicad_pcb (version 20240108) (generator "pcbnew") (generator_version "8.0")
+)
\ No newline at end of file
diff --git a/ELE/du/du.kicad_prl b/ELE/du/du.kicad_prl
new file mode 100644
index 0000000..4923bd5
--- /dev/null
+++ b/ELE/du/du.kicad_prl
@@ -0,0 +1,83 @@
+{
+  "board": {
+    "active_layer": 0,
+    "active_layer_preset": "",
+    "auto_track_width": true,
+    "hidden_netclasses": [],
+    "hidden_nets": [],
+    "high_contrast_mode": 0,
+    "net_color_mode": 1,
+    "opacity": {
+      "images": 0.6,
+      "pads": 1.0,
+      "tracks": 1.0,
+      "vias": 1.0,
+      "zones": 0.6
+    },
+    "selection_filter": {
+      "dimensions": true,
+      "footprints": true,
+      "graphics": true,
+      "keepouts": true,
+      "lockedItems": false,
+      "otherItems": true,
+      "pads": true,
+      "text": true,
+      "tracks": true,
+      "vias": true,
+      "zones": true
+    },
+    "visible_items": [
+      0,
+      1,
+      2,
+      3,
+      4,
+      5,
+      8,
+      9,
+      10,
+      11,
+      12,
+      13,
+      15,
+      16,
+      17,
+      18,
+      19,
+      20,
+      21,
+      22,
+      23,
+      24,
+      25,
+      26,
+      27,
+      28,
+      29,
+      30,
+      32,
+      33,
+      34,
+      35,
+      36,
+      39,
+      40
+    ],
+    "visible_layers": "fffffff_ffffffff",
+    "zone_display_mode": 0
+  },
+  "git": {
+    "repo_password": "",
+    "repo_type": "",
+    "repo_username": "",
+    "ssh_key": ""
+  },
+  "meta": {
+    "filename": "du.kicad_prl",
+    "version": 3
+  },
+  "project": {
+    "files": []
+  }
+}
diff --git a/ELE/du/du.kicad_pro b/ELE/du/du.kicad_pro
new file mode 100644
index 0000000..9b6091f
--- /dev/null
+++ b/ELE/du/du.kicad_pro
@@ -0,0 +1,392 @@
+{
+  "board": {
+    "3dviewports": [],
+    "design_settings": {
+      "defaults": {},
+      "diff_pair_dimensions": [],
+      "drc_exclusions": [],
+      "rules": {},
+      "track_widths": [],
+      "via_dimensions": []
+    },
+    "ipc2581": {
+      "dist": "",
+      "distpn": "",
+      "internal_id": "",
+      "mfg": "",
+      "mpn": ""
+    },
+    "layer_presets": [],
+    "viewports": []
+  },
+  "boards": [],
+  "cvpcb": {
+    "equivalence_files": []
+  },
+  "erc": {
+    "erc_exclusions": [],
+    "meta": {
+      "version": 0
+    },
+    "pin_map": [
+      [
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        1,
+        0,
+        0,
+        0,
+        0,
+        2
+      ],
+      [
+        0,
+        2,
+        0,
+        1,
+        0,
+        0,
+        1,
+        0,
+        2,
+        2,
+        2,
+        2
+      ],
+      [
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        1,
+        0,
+        1,
+        0,
+        1,
+        2
+      ],
+      [
+        0,
+        1,
+        0,
+        0,
+        0,
+        0,
+        1,
+        1,
+        2,
+        1,
+        1,
+        2
+      ],
+      [
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        1,
+        0,
+        0,
+        0,
+        0,
+        2
+      ],
+      [
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        2
+      ],
+      [
+        1,
+        1,
+        1,
+        1,
+        1,
+        0,
+        1,
+        1,
+        1,
+        1,
+        1,
+        2
+      ],
+      [
+        0,
+        0,
+        0,
+        1,
+        0,
+        0,
+        1,
+        0,
+        0,
+        0,
+        0,
+        2
+      ],
+      [
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+        2,
+        1,
+        2,
+        0,
+        0,
+        1,
+        0,
+        2,
+        2,
+        2,
+        2
+      ],
+      [
+        0,
+        2,
+        0,
+        1,
+        0,
+        0,
+        1,
+        0,
+        2,
+        0,
+        0,
+        2
+      ],
+      [
+        0,
+        2,
+        1,
+        1,
+        0,
+        0,
+        1,
+        0,
+        2,
+        0,
+        0,
+        2
+      ],
+      [
+        2,
+        2,
+        2,
+        2,
+        2,
+        2,
+        2,
+        2,
+        2,
+        2,
+        2,
+        2
+      ]
+    ],
+    "rule_severities": {
+      "bus_definition_conflict": "error",
+      "bus_entry_needed": "error",
+      "bus_to_bus_conflict": "error",
+      "bus_to_net_conflict": "error",
+      "conflicting_netclasses": "error",
+      "different_unit_footprint": "error",
+      "different_unit_net": "error",
+      "duplicate_reference": "error",
+      "duplicate_sheet_names": "error",
+      "endpoint_off_grid": "warning",
+      "extra_units": "error",
+      "global_label_dangling": "warning",
+      "hier_label_mismatch": "error",
+      "label_dangling": "error",
+      "lib_symbol_issues": "warning",
+      "missing_bidi_pin": "warning",
+      "missing_input_pin": "warning",
+      "missing_power_pin": "error",
+      "missing_unit": "warning",
+      "multiple_net_names": "warning",
+      "net_not_bus_member": "warning",
+      "no_connect_connected": "warning",
+      "no_connect_dangling": "warning",
+      "pin_not_connected": "error",
+      "pin_not_driven": "error",
+      "pin_to_pin": "warning",
+      "power_pin_not_driven": "error",
+      "similar_labels": "warning",
+      "simulation_model_issue": "ignore",
+      "unannotated": "error",
+      "unit_value_mismatch": "error",
+      "unresolved_variable": "error",
+      "wire_dangling": "error"
+    }
+  },
+  "libraries": {
+    "pinned_footprint_libs": [],
+    "pinned_symbol_libs": []
+  },
+  "meta": {
+    "filename": "du.kicad_pro",
+    "version": 1
+  },
+  "net_settings": {
+    "classes": [
+      {
+        "bus_width": 12,
+        "clearance": 0.2,
+        "diff_pair_gap": 0.25,
+        "diff_pair_via_gap": 0.25,
+        "diff_pair_width": 0.2,
+        "line_style": 0,
+        "microvia_diameter": 0.3,
+        "microvia_drill": 0.1,
+        "name": "Default",
+        "pcb_color": "rgba(0, 0, 0, 0.000)",
+        "schematic_color": "rgba(0, 0, 0, 0.000)",
+        "track_width": 0.2,
+        "via_diameter": 0.6,
+        "via_drill": 0.3,
+        "wire_width": 6
+      }
+    ],
+    "meta": {
+      "version": 3
+    },
+    "net_colors": null,
+    "netclass_assignments": null,
+    "netclass_patterns": []
+  },
+  "pcbnew": {
+    "last_paths": {
+      "gencad": "",
+      "idf": "",
+      "netlist": "",
+      "plot": "",
+      "pos_files": "",
+      "specctra_dsn": "",
+      "step": "",
+      "svg": "",
+      "vrml": ""
+    },
+    "page_layout_descr_file": ""
+  },
+  "schematic": {
+    "annotate_start_num": 0,
+    "bom_export_filename": "",
+    "bom_fmt_presets": [],
+    "bom_fmt_settings": {
+      "field_delimiter": ",",
+      "keep_line_breaks": false,
+      "keep_tabs": false,
+      "name": "CSV",
+      "ref_delimiter": ",",
+      "ref_range_delimiter": "",
+      "string_delimiter": "\""
+    },
+    "bom_presets": [],
+    "bom_settings": {
+      "exclude_dnp": false,
+      "fields_ordered": [
+        {
+          "group_by": false,
+          "label": "Reference",
+          "name": "Reference",
+          "show": true
+        },
+        {
+          "group_by": true,
+          "label": "Value",
+          "name": "Value",
+          "show": true
+        },
+        {
+          "group_by": false,
+          "label": "Datasheet",
+          "name": "Datasheet",
+          "show": true
+        },
+        {
+          "group_by": false,
+          "label": "Footprint",
+          "name": "Footprint",
+          "show": true
+        },
+        {
+          "group_by": false,
+          "label": "Qty",
+          "name": "${QUANTITY}",
+          "show": true
+        },
+        {
+          "group_by": true,
+          "label": "DNP",
+          "name": "${DNP}",
+          "show": true
+        }
+      ],
+      "filter_string": "",
+      "group_symbols": true,
+      "name": "Grouped By Value",
+      "sort_asc": true,
+      "sort_field": "Reference"
+    },
+    "connection_grid_size": 50.0,
+    "drawing": {
+      "dashed_lines_dash_length_ratio": 12.0,
+      "dashed_lines_gap_length_ratio": 3.0,
+      "default_line_thickness": 6.0,
+      "default_text_size": 50.0,
+      "field_names": [],
+      "intersheets_ref_own_page": false,
+      "intersheets_ref_prefix": "",
+      "intersheets_ref_short": false,
+      "intersheets_ref_show": false,
+      "intersheets_ref_suffix": "",
+      "junction_size_choice": 3,
+      "label_size_ratio": 0.375,
+      "operating_point_overlay_i_precision": 3,
+      "operating_point_overlay_i_range": "~A",
+      "operating_point_overlay_v_precision": 3,
+      "operating_point_overlay_v_range": "~V",
+      "overbar_offset_ratio": 1.23,
+      "pin_symbol_size": 25.0,
+      "text_offset_ratio": 0.15
+    },
+    "legacy_lib_dir": "",
+    "legacy_lib_list": [],
+    "meta": {
+      "version": 1
+    },
+    "net_format_name": "",
+    "page_layout_descr_file": "",
+    "plot_directory": "",
+    "spice_current_sheet_as_root": false,
+    "spice_external_command": "spice \"%I\"",
+    "spice_model_current_sheet_as_root": true,
+    "spice_save_all_currents": false,
+    "spice_save_all_dissipations": false,
+    "spice_save_all_voltages": false,
+    "subpart_first_id": 65,
+    "subpart_id_separator": 0
+  },
+  "sheets": [
+    [
+      "9d1c3ec3-cc42-49e6-b65f-34bdedd75762",
+      "Root"
+    ]
+  ],
+  "text_variables": {}
+}
diff --git a/ELE/du/du.kicad_sch b/ELE/du/du.kicad_sch
new file mode 100644
index 0000000..13891b4
--- /dev/null
+++ b/ELE/du/du.kicad_sch
@@ -0,0 +1,666 @@
+(kicad_sch
+	(version 20231120)
+	(generator "eeschema")
+	(generator_version "8.0")
+	(uuid "9d1c3ec3-cc42-49e6-b65f-34bdedd75762")
+	(paper "A4")
+	(lib_symbols
+		(symbol "Device:R"
+			(pin_numbers hide)
+			(pin_names
+				(offset 0)
+			)
+			(exclude_from_sim no)
+			(in_bom yes)
+			(on_board yes)
+			(property "Reference" "R"
+				(at 2.032 0 90)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+				)
+			)
+			(property "Value" "R"
+				(at 0 0 90)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+				)
+			)
+			(property "Footprint" ""
+				(at -1.778 0 90)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Datasheet" "~"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Description" "Resistor"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_keywords" "R res resistor"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_fp_filters" "R_*"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(symbol "R_0_1"
+				(rectangle
+					(start -1.016 -2.54)
+					(end 1.016 2.54)
+					(stroke
+						(width 0.254)
+						(type default)
+					)
+					(fill
+						(type none)
+					)
+				)
+			)
+			(symbol "R_1_1"
+				(pin passive line
+					(at 0 3.81 270)
+					(length 1.27)
+					(name "~"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+					(number "1"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+				)
+				(pin passive line
+					(at 0 -3.81 90)
+					(length 1.27)
+					(name "~"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+					(number "2"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+				)
+			)
+		)
+		(symbol "power:+15V"
+			(power)
+			(pin_numbers hide)
+			(pin_names
+				(offset 0) hide)
+			(exclude_from_sim no)
+			(in_bom yes)
+			(on_board yes)
+			(property "Reference" "#PWR"
+				(at 0 -3.81 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Value" "+15V"
+				(at 0 3.556 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+				)
+			)
+			(property "Footprint" ""
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Datasheet" ""
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Description" "Power symbol creates a global label with name \"+15V\""
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_keywords" "global power"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(symbol "+15V_0_1"
+				(polyline
+					(pts
+						(xy -0.762 1.27) (xy 0 2.54)
+					)
+					(stroke
+						(width 0)
+						(type default)
+					)
+					(fill
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+					)
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+					(pts
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+						(width 0)
+						(type default)
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+					(fill
+						(type none)
+					)
+				)
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+					(pts
+						(xy 0 2.54) (xy 0.762 1.27)
+					)
+					(stroke
+						(width 0)
+						(type default)
+					)
+					(fill
+						(type none)
+					)
+				)
+			)
+			(symbol "+15V_1_1"
+				(pin power_in line
+					(at 0 0 90)
+					(length 0)
+					(name "~"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+					(number "1"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+				)
+			)
+		)
+		(symbol "power:Earth"
+			(power)
+			(pin_numbers hide)
+			(pin_names
+				(offset 0) hide)
+			(exclude_from_sim no)
+			(in_bom yes)
+			(on_board yes)
+			(property "Reference" "#PWR"
+				(at 0 -6.35 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Value" "Earth"
+				(at 0 -3.81 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+				)
+			)
+			(property "Footprint" ""
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Datasheet" "~"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Description" "Power symbol creates a global label with name \"Earth\""
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_keywords" "global ground gnd"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(symbol "Earth_0_1"
+				(polyline
+					(pts
+						(xy -0.635 -1.905) (xy 0.635 -1.905)
+					)
+					(stroke
+						(width 0)
+						(type default)
+					)
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+						(type none)
+					)
+				)
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+						(width 0)
+						(type default)
+					)
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+					)
+				)
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diff --git a/ELE/převody-du.txt b/ELE/převody-du.txt
new file mode 100644
index 0000000..f40d415
--- /dev/null
+++ b/ELE/převody-du.txt
@@ -0,0 +1,11 @@
+2000 mAh = 2Ah = 7200 C
+20 kwh   = J
+15 mC    = Ah
+86000 J  = wh
+1000 mAs = mAh
+10MJ     = kwh
+
+
+P = w * t
+
+w = P / t
diff --git a/FYZ/2024-11-11-rovnomerny-pohyb-po-krznici.txt b/FYZ/2024-11-11-rovnomerny-pohyb-po-krznici.txt
new file mode 100644
index 0000000..1f97048
--- /dev/null
+++ b/FYZ/2024-11-11-rovnomerny-pohyb-po-krznici.txt
@@ -0,0 +1,40 @@
+Rovnomerny pohyb po krznici
+periodicky pohyb 
+T perioda (doba oběhu)
+[T] = s
+f frekvence
+[f] = Hz
+f = 1/T
+
+rychlost 
+→
+v ma velikost a smer
+v = const
+
+s = r * f
+
+Φ merime v radianech rad 1 rad: delka 
+1 rad = 57°18'
+
+uhova rychlost
+→
+ω
+ω = ΔΦ/Δt
+[ω] = rad/s
+
+ω = 2pi/T = 2pi*f
+
+v = s/t = pi*Φ/t 
+
+v = pi*ω
+
+hmotny bod kona rovnomerny pohib po kruznici o polomeru 0,5m s frekvenci 4Hz
+vypocitejte: obeznou dobu
+              0.25s 
+             uhlovou rychlost
+             25.133 rad/s
+             rychlost
+
+f*T = 1 
+T = 1/f
+T = 0.25s
diff --git a/FYZ/2024-11-11.txt b/FYZ/2024-11-11.txt
new file mode 100644
index 0000000..ecee72d
--- /dev/null
+++ b/FYZ/2024-11-11.txt
@@ -0,0 +1,52 @@
+  kroupy padají na ze rychlosti 100m/s, Z jake vysky padaji
+
+  s = 1/2*g*t²
+
+  v= g*t
+
+  100 = 10 * t
+
+  t = 10s
+
+  s = 1/2*10*100
+
+  s = 500m
+
+  jak hluboká je propast jestly že volně padajíci oběkt pada na zem 5.25s
+
+  s = 1/2*10*27,562i
+  s = 137.81m
+
+  Skládání pohybů
+  po vodorovne  trati jede vlak stalou rychlosti  15m/s kapky  padaji  ve svislemm smeru ryhlosti  8m/s 
+  a) rychlost kapek vzhledem oknům vlaku 
+  b) uhel ktery sviraji stopy kapek na okně
+          61.928
+
+
+  v₁ = vlak 15m/s
+  v₂ = kapky 8m/s
+
+ tg alfa = v₁/v₂
+ alfa = 61.928
+ 
+  v = √25² + 8²
+  v = 17m/s 
+
+  clun se pohybuje vzhledem vode 13m/s vodni proud je 5m/svislemm
+  a) pod jakým uhlem vzhledem k vodnimu produ
+        112°37'
+  b) jak rychle  jede k druhemu brehu
+        12m/s
+    
+
+  v = √(13² - 5²)
+  v = 12m/s
+
+  v1 = 13m/s 
+  v2 = 5m/s 
+  
+  sin beta = 5/13
+  beta = 22°37'
+  alfa = 112°37'
+
diff --git a/FYZ/draha-rovnomerne-zrychlenecho-pohybu.png b/FYZ/draha-rovnomerne-zrychlenecho-pohybu.png
new file mode 100644
index 0000000..9746a09
Binary files /dev/null and b/FYZ/draha-rovnomerne-zrychlenecho-pohybu.png differ