A PHP Error was encountered

Severity: Warning

Message: Missing argument 1 for Calculator::index()

Filename: controllers/Calculator.php

Line Number: 25

Backtrace:

File: /home/wahanahonda/public_html/application/modules/frontend/calculator/controllers/Calculator.php
Line: 25
Function: _error_handler

File: /home/wahanahonda/public_html/index.php
Line: 324
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: url

Filename: controllers/Calculator.php

Line Number: 27

Backtrace:

File: /home/wahanahonda/public_html/application/modules/frontend/calculator/controllers/Calculator.php
Line: 27
Function: _error_handler

File: /home/wahanahonda/public_html/index.php
Line: 324
Function: require_once