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Cell	One box in a spreadsheet where a row and column meet		tech-spreadsheet-functions
Cell reference	The cell's address, like B3		tech-spreadsheet-functions
Row	A horizontal line of cells, labeled with numbers		tech-spreadsheet-functions
Column	A vertical line of cells, labeled with letters		tech-spreadsheet-functions
Range	A group of cells, like A1:A10		tech-spreadsheet-functions
Worksheet (sheet)	A single page of cells in a workbook		tech-spreadsheet-functions
Workbook	A file holding one or more sheets		tech-spreadsheet-functions
Formula	A calculation that starts with an equals sign		tech-spreadsheet-functions
Function	A built-in formula like SUM		tech-spreadsheet-functions
=A1+B1	Adds two cells		tech-spreadsheet-functions
=A1*B1	Multiplies two cells		tech-spreadsheet-functions
=SUM(A1:A10)	Adds a range		tech-spreadsheet-functions
=AVERAGE(A1:A10)	Finds the mean of a range		tech-spreadsheet-functions
=MIN(A1:A10)	Finds the smallest value		tech-spreadsheet-functions
=MAX(A1:A10)	Finds the largest value		tech-spreadsheet-functions
=COUNT(A1:A10)	Counts cells with numbers		tech-spreadsheet-functions
=COUNTA(A1:A10)	Counts non-empty cells		tech-spreadsheet-functions
=ROUND(A1,2)	Rounds to two decimal places		tech-spreadsheet-functions
=IF(A1>10,'Yes','No')	Returns one value if true and another if false		tech-spreadsheet-functions
=AND() and =OR()	Test several conditions		tech-spreadsheet-functions
=COUNTIF(range,criteria)	Counts cells that meet a rule		tech-spreadsheet-functions
=SUMIF(range,criteria,sum_range)	Adds cells that meet a rule		tech-spreadsheet-functions
=VLOOKUP()	Looks up a value in the first column of a table		tech-spreadsheet-functions
=XLOOKUP()	A modern lookup function		tech-spreadsheet-functions
=INDEX() and =MATCH()	A flexible way to look things up		tech-spreadsheet-functions
=CONCATENATE() or =A1&B1	Joins text		tech-spreadsheet-functions
=LEFT(A1,3)	Takes the first 3 characters		tech-spreadsheet-functions
=LEN(A1)	Counts characters in a cell		tech-spreadsheet-functions
=UPPER(A1)	Makes text uppercase		tech-spreadsheet-functions
=TODAY()	Shows today's date		tech-spreadsheet-functions
=NOW()	Shows the date and time		tech-spreadsheet-functions
Absolute reference	Locks a cell with dollar signs, like $A$1		tech-spreadsheet-functions
Relative reference	A reference that changes when copied		tech-spreadsheet-functions
Fill handle	The small square in the corner of a cell you drag to copy		tech-spreadsheet-functions
AutoSum	A button that adds a column or row quickly		tech-spreadsheet-functions
Sort	Arrange rows in order		tech-spreadsheet-functions
Filter	Show only rows that meet a condition		tech-spreadsheet-functions
Conditional formatting	Changing cell colors based on values		tech-spreadsheet-functions
Pivot table	A summary table made from many rows of data		tech-spreadsheet-functions
Chart	A visual graph of data		tech-spreadsheet-functions
Bar chart	Compares categories with bars		tech-spreadsheet-functions
Line chart	Shows change over time		tech-spreadsheet-functions
Pie chart	Shows parts of a whole		tech-spreadsheet-functions
Header row	The top row naming each column		tech-spreadsheet-functions
Freeze panes	Keeps the header row visible while scrolling		tech-spreadsheet-functions
Merge cells	Combine cells into one		tech-spreadsheet-functions
Data validation	Limits what can be entered in a cell		tech-spreadsheet-functions
#DIV/0!	Error from dividing by zero		tech-spreadsheet-functions
#REF!	Error from a broken cell reference		tech-spreadsheet-functions
#NAME?	Error from a misspelled function name		tech-spreadsheet-functions
#VALUE!	Error from the wrong type of value		tech-spreadsheet-functions
CSV	A simple text file for spreadsheet data		tech-spreadsheet-functions
Google Sheets	A free online spreadsheet tool		tech-spreadsheet-functions
Microsoft Excel	A popular spreadsheet program first released in 1985		tech-spreadsheet-functions
VisiCalc	The first popular spreadsheet program, from 1979		tech-spreadsheet-functions
Mean	The average, found by adding and dividing		tech-spreadsheet-functions
Median	The middle value when ordered		tech-spreadsheet-functions
Mode	The most common value		tech-spreadsheet-functions
Order of operations	Parentheses, exponents, multiplication and division, then addition and subtraction		tech-spreadsheet-functions
Percent formula	=A1/B1 formatted as a percent		tech-spreadsheet-functions
Number format	Controls how a number looks: currency, date, percent		tech-spreadsheet-functions
Template	A premade spreadsheet layout		tech-spreadsheet-functions
Named range	A name given to a group of cells		tech-spreadsheet-functions