Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any ...

The simplest use of the FORMULATEXT function is straightforward formula auditing.

The Post welcomes letters up to 250 words on topics of general interest. Letters must include full name, home address, day and evening phone numbers, and may be edited for length, grammar and accuracy ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. As he prepared to speak at a panel in Washington last December, Chinese economist Gao Shanwen tapped the ...

The Sun welcomes comments from readers via letters to the editor. All comments become the property of The Sun, which reserves the right to edit them. To submit a letter to the editor, use the form ...