diff --git a/src/components/Schedule.vue b/src/components/Schedule.vue
index bdc311c..2dad95c 100644
--- a/src/components/Schedule.vue
+++ b/src/components/Schedule.vue
@@ -32,8 +32,10 @@ AddEmployeeModal(
                 td(
                     v-for="(date, dIndex) in row.dates" 
                     :key="dIndex" 
-                    :class="{'bg-secondary bg-opacity-10' : row.dates[dIndex] === null, 'selected' : isSelected(new Coordinates(mIndex, rIndex, eIndex, dIndex))}"
-                    @click="select(new Coordinates(mIndex, rIndex, eIndex, dIndex), $event)"               
+                    :class="{'bg-secondary bg-opacity-10' : row.dates[dIndex] === null, 'selected' : isSelected(mIndex, rIndex, eIndex, dIndex)}"
+                    @click.exact="select(mIndex, rIndex, eIndex, dIndex)"
+                    @click.ctrl.exact="ctrlSelect(mIndex, rIndex, eIndex, dIndex)"
+                    @click.shift.exact="shiftSelect(mIndex, rIndex, eIndex, dIndex)"               
                 )
             tr()
                 td.text-end
@@ -51,11 +53,11 @@ AddEmployeeModal(
 
 
 <script setup lang="ts">
-    import { toRef, watch, computed, ref, h, render } from 'vue'
+    import { watch, computed, ref } from 'vue'
     import type { Ref, ComputedRef } from 'vue'
     import { storeToRefs } from 'pinia'
     import { useEmployees } from '../stores/employees'
-    import { addMonths, eachMonthOfInterval, subDays, addDays, format, getISODay, getYear, getMonth, isValid, eachDayOfInterval, getDaysInMonth } from 'date-fns'
+    import { addMonths, eachMonthOfInterval, subDays, addDays, format, getISODay, getYear, getMonth, getDaysInMonth } from 'date-fns'
     import { de } from 'date-fns/locale'
     import AddEmployeeModal from './AddEmployeeModal.vue'
     import Coordinates from '../types/coordinates'
@@ -132,7 +134,7 @@ AddEmployeeModal(
     const scheduleData : Ref<ScheduleData> = ref(getScheduleData())
     const { employees } = storeToRefs(store)
 
-    const selected : Ref<Coordinates[]> = ref([])
+    const selected : Ref<Set<string>> = ref(new Set())
     const shiftAnchor : Ref<Coordinates | undefined> = ref(undefined)
     /**
      * End Refs
@@ -186,22 +188,11 @@ AddEmployeeModal(
         }
     }
 
-    function isSelected(c : Coordinates) : boolean {
-        return selected.value.some(el => {
-            return el.toString() === c.toString()
-        })
+    function isSelected(m : number, r : number, e : number, d : number) : boolean {
+        return selected.value.has(Coordinates.toString(m,r,e,d))
     }
-    function removeFromSelected(c : Coordinates) : boolean {
-        let i = selected.value.findIndex(e => {
-            return e.toString() === c.toString()
-        })
-
-        if (i > -1){
-            selected.value.splice(i, 1)
-            return true
-        }
-
-        return false
+    function removeFromSelected(m : number, r : number, e : number, d : number) : boolean {
+        return selected.value.delete(Coordinates.toString(m,r,e,d))
     }
 
     /**
@@ -214,33 +205,43 @@ AddEmployeeModal(
         }
     }
 
-    function select(coord : Coordinates, e : MouseEvent) {
-        if(e.ctrlKey){
-            if(isSelected(coord)){
-                removeFromSelected(coord)
-                shiftAnchor.value = selected.value[selected.value.length - 1]
-            }
-            else {
-                selected.value.push(coord)
-                shiftAnchor.value = coord
-            }
-        }
-        else if(e.shiftKey && shiftAnchor.value !== undefined &&
-                shiftAnchor.value.mIndex === coord.mIndex && 
-                shiftAnchor.value.rIndex === coord.rIndex
-            ){
-                // TODO: #8 Figure out how to select all cells between anchor and click
-
+    function select(m : number, r : number, e : number, d : number) : void {
+        if(selected.value.size > 1 || !isSelected(m,r,e,d)) {
+            selected.value.clear()
+            selected.value.add(Coordinates.toString(m,r,e,d))
+            shiftAnchor.value = new Coordinates(m,r,e,d)
         }
         else {
-            if(selected.value.length > 1 || !isSelected(coord)) {
-                selected.value = []
-                selected.value.push(coord)
-                shiftAnchor.value = coord
-            }
-            else {
-                selected.value = []
-                shiftAnchor.value = undefined
+            selected.value.clear()
+            shiftAnchor.value = undefined
+        }
+    }
+
+    function ctrlSelect(m : number, r : number, e : number, d : number) : void {
+        if(isSelected(m,r,e,d)){
+            removeFromSelected(m,r,e,d)
+            shiftAnchor.value = new Coordinates(m,r,e,d)
+        }
+        else {
+            selected.value.add(Coordinates.toString(m,r,e,d))
+            shiftAnchor.value = new Coordinates(m,r,e,d)
+        }
+    }
+
+    function shiftSelect(m : number, r : number, e : number, d : number) : void {
+        if(shiftAnchor.value !== undefined &&
+                shiftAnchor.value.mIndex === m && 
+                shiftAnchor.value.rIndex === r &&
+                shiftAnchor.value.toString() === [...selected.value].pop()
+            ){
+            // TODO: #8 Figure out how to select all cells between anchor and click
+            let [eBig, eSmall] : number[] = shiftAnchor.value.eIndex > e ? [shiftAnchor.value.eIndex, e] : [e, shiftAnchor.value.eIndex]
+            let [dBig, dSmall] : number[] = shiftAnchor.value.dIndex > d ? [shiftAnchor.value.dIndex, d] : [d, shiftAnchor.value.dIndex]
+
+            for(let eIt = eSmall; eIt <= eBig; eIt++){
+                for(let dIt = dSmall; dIt <= dBig; dIt++){
+                    selected.value.add(Coordinates.toString(m,r,eIt,dIt))
+                }
             }
         }
     }
@@ -256,7 +257,13 @@ AddEmployeeModal(
 
 <style scoped>
     table {
-        table-layout: fixed
+        table-layout: fixed;
+        -ms-user-select: none;
+        -moz-user-select: none;
+        -webkit-user-select: none;
+        -webkit-touch-callout: none;
+        -khtml-user-select: none;
+        user-select: none;
     }
     table td {
         cursor: pointer;
diff --git a/src/types/coordinates.ts b/src/types/coordinates.ts
new file mode 100644
index 0000000..1c08ab4
--- /dev/null
+++ b/src/types/coordinates.ts
@@ -0,0 +1,33 @@
+export default class Coordinates {
+    mIndex : number
+    rIndex : number
+    eIndex : number
+    dIndex : number
+
+    constructor(m : number, r : number, e : number, d : number){
+        this.mIndex = m
+        this.rIndex = r
+        this.eIndex = e
+        this.dIndex = d
+    }
+
+    toString() : string {
+        return `${this.mIndex}-${this.rIndex}-${this.eIndex}-${this.dIndex}`
+    }
+
+    static toString(m : number, r : number, e : number, d : number) : string {
+        return `${m}-${r}-${e}-${d}`
+    }
+
+    static stringToCoord(strRepr : string) : Coordinates | undefined {
+        let re = /^[0-9]+-[0-9]+-[0-9]+-[0-9]+$/
+        let numbers = []
+
+        if(re.test(strRepr)){
+            numbers = strRepr.split('-')
+            
+            return new Coordinates(+numbers[0], +numbers[1], +numbers[2], +numbers[3])
+        }
+        return 
+    }
+}
\ No newline at end of file