This could be a valid formula in Excel: =[@Cost]-[@Pre_Paid_Taxes]

Which of the following promotions of primitive types is not allowed to occur?

a. char to int. b. double to float. c. int to double. d. short to long.

A list of the available nonkeyboard characters can be seen in Windows by opening what utility?

A. charmap.exe B. charlist.exe C. chardump.exe D. listchar.exe