Excel UPPER function
The Excel UPPER function changes a text string to and all upper case text string. The characters do not change, only the case.
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November 11, 2021
Excel LOWER function
The Excel LOWER function changes a text string to and all lower case text string. The characters do not change, only the case.
November 11, 2021
Excel HOUR function
The Excel HOUR function returns the hour of the day, a number from 0 (12:00 AM) to 23 (11:00 PM). The HOUR function is an Excel date and time function.
July 5, 2021
Excel OR Function
The Excel OR function tests whether any arguments are TRUE, and returns TRUE if at least one argument is TRUE. If all arguments are FALSE the OR function will return FALSE.
January 24, 2021
Excel AND function
The Excel AND function tests whether all arguments are TRUE, and returns TRUE if all arguments are TRUE, or FALSE if any arguments are FALSE.
December 30, 2020
Excel SUBSTITUTE function
The Excel SUBSTITUTE function replaces existing test with new text in a text string. This function is useful for inserting text and/or correcting misspellings in Excel.
December 30, 2020
Excel REPLACE function
The Excel REPLACE function replaces part of a text string with a different text string.
December 30, 2020
Excel FIND function
The Excel FIND function returns a numerical value of the position of a text string within another text string.
December 30, 2020
Excel SUMPRODUCT function
The Excel SUMPRODUCT function multiplies an array by another array(s) and sums the results.
December 30, 2020
Excel ISERR function
The Excel ISERR function determines whether a value is an error and returns TRUE if an error or FALSE if not an error.
December 30, 2020