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Severity: User Notice

Message: add_action is deprecated since version 2.3.0! Use hooks()->add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) instead.

Filename: helpers/deprecated_helper.php

Line Number: 25

Backtrace:

File: /home/celsoftc/crm/application/helpers/deprecated_helper.php
Line: 25
Function: trigger_error

File: /home/celsoftc/crm/application/third_party/action_hooks.php
Line: 218
Function: _deprecated_function

File: /home/celsoftc/crm/application/helpers/my_functions_helper.php
Line: 6
Function: add_action

File: /home/celsoftc/crm/application/third_party/MX/Loader.php
Line: 127
Function: helper

File: /home/celsoftc/crm/application/third_party/MX/Loader.php
Line: 140
Function: helper

File: /home/celsoftc/crm/application/third_party/MX/Loader.php
Line: 117
Function: helpers

File: /home/celsoftc/crm/application/third_party/MX/Loader.php
Line: 63
Function: initialize

File: /home/celsoftc/crm/application/core/App_Controller.php
Line: 16
Function: __construct

File: /home/celsoftc/crm/application/core/ClientsController.php
Line: 21
Function: __construct

File: /home/celsoftc/crm/application/controllers/Knowledge_base.php
Line: 9
Function: __construct

File: /home/celsoftc/crm/index.php
Line: 319
Function: require_once

Excel Formulas and Functions: 10 Golden Rules

Excel Formulas and Functions: 10 Golden Rules

  1. Discuss the difference between formulas and functions (using the SUM, TRIM, COUNT, AVERAGE and the POWER functions)
  2. The Function Library
  3. The 10 Golden Rules
  • All formulas must start with an equal sign
  • Followed by the function name
  • Followed By an open bracket
  • Follow Excel's instructions
  • Separate all components using commas
  • Close all brackets
  • Follow BODMAS rules
  • Understand the use and order of these operators (^, <>, >=,<=)
  • All unkown texts used in a formula must be in double quotation marks or else the name must be defined.
  • Functions can be nested

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