Formulas can contain any or all of the following types of values:
ü Numbers, such as 123, -123, 12.3.
ü Addresses of single cells, such as A1, D5, Z100.
ü Addresses of cell ranges such as B12..G29, A1..D5.
ü Absolute cell references denoted with dollar signs before the fixed coordinate ($A$1, $A1, or A$1), which will not be updated when the referencing cell is moved or copied.
ü Objective Grid functions, such as @SUM or @RADIANS, with their arguments.
ü Text surrounded by double quotation marks, such as "The sum is " or "Total".
ü User-defined cell names or cell range names, such as TOTALS or PROJECT1