diff --git a/examples/basic-math/src/fibonacci.js b/examples/basic-math/src/fibonacci.js
new file mode 100644
index 0000000..fe46aed
--- /dev/null
+++ b/examples/basic-math/src/fibonacci.js
@@ -0,0 +1,14 @@
+/**
+ * Generates a Fibonacci sequence of a given length.
+ * @param {number} n The length of the sequence.
+ * @returns {number[]} The Fibonacci sequence.
+ */
+export const generateFibonacci = (n) => {
+  const sequence = [0, 1];
+
+  for (let i = 2; i < n; i++) {
+    sequence[i] = sequence[i - 1] + sequence[i - 2];
+  }
+
+  return sequence;
+};
diff --git a/examples/basic-math/src/fibonacci.test.ts b/examples/basic-math/src/fibonacci.test.ts
new file mode 100644
index 0000000..584feae
--- /dev/null
+++ b/examples/basic-math/src/fibonacci.test.ts
@@ -0,0 +1,7 @@
+import { it, expect } from 'vitest';
+import { generateFibonacci } from './fibonacci';
+
+it.skip('should generate fibonacci sequence', () => {
+  const fibonacci = generateFibonacci(10);
+  expect(fibonacci).toBe([0, 1, 1, 2, 3, 5, 8, 13, 21, 34]);
+});