diff --git a/iOS/app/MMMemory.xcodeproj/project.xcworkspace/xcuserdata/mk.xcuserdatad/UserInterfaceState.xcuserstate b/iOS/app/MMMemory.xcodeproj/project.xcworkspace/xcuserdata/mk.xcuserdatad/UserInterfaceState.xcuserstate
index 3d30794..81b2ee2 100644
Binary files a/iOS/app/MMMemory.xcodeproj/project.xcworkspace/xcuserdata/mk.xcuserdatad/UserInterfaceState.xcuserstate and b/iOS/app/MMMemory.xcodeproj/project.xcworkspace/xcuserdata/mk.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/shared/javaScript.js b/shared/javaScript.js
index d8395cb..298fd79 100644
--- a/shared/javaScript.js
+++ b/shared/javaScript.js
@@ -9,9 +9,11 @@ function memorySpace() {
 }
 function memoryItemPositions(c) {
     var pos = [];
-    var ids = Array.from(Array(c.itemsCount).keys());
+    // @ts-ignore
+    var ids = utsIndexArray(c.itemsCount);
     ids.forEach(function (i) {
-        var row = Math.floor(i / 4);
+        // @ts-ignore
+        var row = utsFloor(i / 4);
         var x = memoryGap() + (i - row * 4) * memoryGap();
         var y = memoryGap() + row * memoryGap();
         // @ts-ignore
diff --git a/shared/swift.swift b/shared/swift.swift
index e096631..1ff3590 100644
--- a/shared/swift.swift
+++ b/shared/swift.swift
@@ -22,9 +22,11 @@ func memorySpace() -> Float {
 func memoryItemPositions(c: Context) -> [Position] {
   var pos: [Position] = []
 
-  let ids = Array.from(Array(c.itemsCount).keys());
+  // @ts-ignore
+  let ids = utsIndexArray(c.itemsCount);
   ids.forEach(i => {
-    let row = Math.floor(i / 4)
+    // @ts-ignore
+    let row = utsFloor(i / 4)
     let x = memoryGap() + (i - row * 4) * memoryGap()
     let y = memoryGap() + row * memoryGap()
     // @ts-ignore
diff --git a/shared/typeScript.ts b/shared/typeScript.ts
index 1740ddd..f2457b7 100644
--- a/shared/typeScript.ts
+++ b/shared/typeScript.ts
@@ -22,9 +22,11 @@ function memorySpace(): number {
 function memoryItemPositions(c: Context): Position[] {
   var pos: Position[] = []
 
-  let ids = Array.from(Array(c.itemsCount).keys());
+  // @ts-ignore
+  let ids = utsIndexArray(c.itemsCount);
   ids.forEach(i => {
-    let row = Math.floor(i / 4)
+    // @ts-ignore
+    let row = utsFloor(i / 4)
     let x = memoryGap() + (i - row * 4) * memoryGap()
     let y = memoryGap() + row * memoryGap()
     // @ts-ignore
diff --git a/web/platform.js b/web/platform.js
index 60777a5..db49309 100644
--- a/web/platform.js
+++ b/web/platform.js
@@ -1,6 +1,19 @@
+// Memory.
+
 function memoryCreatePosition(x, y) {
   return {
     "x": x,
     "y": y,
   };
 }
+
+// UTS.
+
+function utsFloor(value) {
+  return Math.floor(value);
+}
+
+// Создать массив индексов от 0 до указанного числа `count`.
+function utsIndexArray(count) {
+  return Array.from(Array(count).keys());
+}
diff --git a/будущее b/будущее
index 23fd79b..c01e445 100644
--- a/будущее
+++ b/будущее
@@ -1,9 +1,10 @@
 09.06: 19:00-
 
 * заменить for на forEach в TS
+* ввести функцию заполнения массива индексами: utsIndexArray
 
 НАДО:
-* ввести функцию заполнения массива индексами
+* ввести utsFloor
 * конвертировать forEach
 * конвертить Math.floor
 * перейти на один файл swift