diff --git a/lesson_06/expression/.env.test b/lesson_06/expression/.env.test
index 56cf4a06f..9fd9f468b 100644
--- a/lesson_06/expression/.env.test
+++ b/lesson_06/expression/.env.test
@@ -1 +1 @@
-HW_VERSION=your assigned version here
\ No newline at end of file
+HW_VERSION=E
\ No newline at end of file
diff --git a/lesson_06/expression/src/expression_calculator.ts b/lesson_06/expression/src/expression_calculator.ts
index 76b215c42..b5029728f 100644
--- a/lesson_06/expression/src/expression_calculator.ts
+++ b/lesson_06/expression/src/expression_calculator.ts
@@ -1,11 +1,23 @@
 export class ExpressionCalculator {
-  /** Returns a calculation involving a, b, c, d, and e */
-  calculate(a: number, b: number, c: number, d: number, e: number): number {
-    // Implement your code here to return the correct value.
-    return 0;
+  add(a: number, b: number): number {
+    return a + b;
   }
-
   pow(base: number, exponent: number): number {
     return Math.pow(base, exponent);
   }
-}
+  divide(a: number, b: number): number {
+    return a / b;
+  }
+
+  multiply(a: number, b: number): number {
+    return a * b;
+  }
+  calculate(a: number, b: number, c: number, d: number, e: number): number {
+    const sumResult = this.add(a, b);
+    const divisionResult = this.divide(sumResult, c);
+    const powerResult = this.pow(c, d);
+    const multiplication = this.multiply(divisionResult, e);
+    void powerResult;
+    return multiplication 
+  }
+  }