Functions
Functions go beyond just x and y. Find a full range of function resources, including graphic tips, guides to function notation, and key formulas.

List
Customize Cell Data with Excel's IF Function

List
What Is an xintercept of a Quadratic Function?

Article
How to Convert Angles From Radians to Degrees in Excel

Article
Excel REPLACE/REPLACEB Function

Article
Excel DAY/DAYS Functions

Article
Excel DAYS360 Function: Count Days Between Dates

Article
Excel ISBLANK Function

List
Sum Cells that Meet Multiple Criteria with Excel SUMPRODUCT

Article
Properly Enter Dates in Excel with the DATE Function

Article
Use Excel's TYPE Function to Check the Type of Data in a Cell

Article
Find the Third Smallest or Sixth Largest Number in Excel

List
Guide to Parent Functions

Article
Calculate the Percentage of Specific Values in Excel

List
Excel MultiCell Array Formulas

Article
How to Convert Text to Upper, Lower, or Proper Case in Excel

Article
Rounding Numbers in Excel Online

Article
Find Information about Excel with the INFO Function

Article
Use the AVERAGEIF Array Formula to Ignore Errors in Excel

Article
Find Cells Containing Numbers With Excel's ISNUMBER Function

List
Parallel, Perpendicular, or Neither?

Article
Find the Largest Negative or Positive Number in Excel

Article
Excel DATEVALUE Function

List
Using Labels in Excel 2003 Formulas and Functions

List
Evaluate Functions with Graphs

List
Excel's HLOOKUP Function

List
Count Days Between Two Dates in Excel

Article
What to Do When Excel's TRIM Function Doesn't Work

List
Changing the Order of Operations in Excel Formulas

Article
Subtract Dates in Excel with the YEAR Function

List
Excel Single Cell Array Formula

Article
Excel SIGN Function

Article
Find the Third or Seventh Smallest Data Entry in Excel

List
Finding the yintercept of a Parabola

Article
What Type of Function is This? Answers