| Simultaneous Equations | 
| Simultaneous Equations - Matrices | 
| Simultaneous Equations - Solver | 
| SIN - Built-in Function | 
| Sine | 
| SINGLE - Built-in Function | 
| Single Cell Array Formulas | 
| Single Cell Formula | 
| Single Column Sorting | 
| Single Column to Multiple Column | 
| Single Factor - Anova | 
| Single Variable Data Table | 
| SINH - Built-in Function | 
| Size and Properties | 
| Size with Window - Charts | 
| Skew | 
| SKEW - Built-in Function | 
| SKEW.P - Built-in Function | 
| Skewness | 
| Skip Blanks | 
| Skipping Rows | 
| Slicer Design Tab - Pivot Tables | 
| Slicer Design Tab - Tables | 
| Slicer Options Tab - Pivot Tables | 
| Slicer Options Tab - Tables | 
| Slicer Settings - Pivot Tables | 
| Slicer Settings - Tables | 
| Slicers - Pivot Tables | 
| Slicers - Tables | 
| Slicing Data - Pivot Tables | 
| Slicing Data - Tables | 
| SLN - Built-in Function | 
| SLOPE - Built-in Function | 
| SMALL - Built-in Function | 
| Smallest Number in Range | 
| Smallest Value | 
| SmallScroll | 
| Smart Art | 
| Smart Lookup Task Pane | 
| Smart Tag - Apply Formatting Rule | 
| Smart Tag - Green Triangle | 
| Smart Tag - Trace Error | 
| Smart Tag Recognizers | 
| Smart Tags | 
| Smart Tags - Auto Fill Options | 
| Smart Tags - AutoCorrect Options | 
| Smart Tags - Error Checking | 
| Smart Tags - Flash Fill | 
| Smart Tags - Insert Options | 
| Smart Tags - Paste Options | 
| Smart Tags - Quick Analysis | 
| Smart Toolbar | 
| SmartArt | 
| SmartArt - Cycle | 
| SmartArt - Hierarchy | 
| SmartArt - List | 
| SmartArt - Matrix | 
| SmartArt - Process | 
| SmartArt - Pyramid | 
| SmartArt - Relationship | 
| SmartArt Graphics | 
| SmartArt Tools - Design | 
| SmartArt Tools - Format | 
| SME (Subject Matter Expert) | 
| Smoothing | 
| Snap To Grid | 
| Snap To Shape | 
| SnapShots | 
| Snippets - VBA Code | 
| Solve Cubic Equation | 
| Solve Quadratic Equation | 
| Solve Simultaneous Equation | 
| Solver Add-in | 
| Solver VBA Functions | 
| SOLVER.xla | 
| SOLVER.xlam | 
| SOLVER32.dll | 
| Solving Cubic Equation | 
| Solving Quadratic Equations | 
| Solving Simultaneous Equations | 
| SOP (Standard Operating Procedure) | 
| SORT - Built-in Function | 
| Sort by Colour | 
| SORTBY - Built-in Function | 
| Sorting 4 Columns | 
| Sorting By Colour | 
| Sorting By Conditional Formatting | 
| Sorting By Custom Sort | 
| Sorting Cells | 
| Sorting Columns | 
| Sorting Data | 
| Sorting Dates | 
| Sorting Lists | 
| Sorting Merged Cells | 
| Sorting Multiple Columns | 
| Sorting Rows | 
| Sorting Single Columns | 
| Sound | 
| Source Data - Chart | 
| SPACE | 
| Space - Explicit Intersection | 
| Space Around Edge of Paper | 
| Sparklines | 
| Sparklines - Tab | 
| Sparklines - Trend Charts | 
| Sparkling Text | 
| Special Characters - ASCII | 
| Special Dialog Box - GoTo | 
| Special Number Format | 
| Special Numbers | 
| Special Paste | 
| SpecialCells - VBA | 
| SpecialCells(xlLastCell)) | 
| Specifying Database Criteria | 
| Spell Numbers | 
| Spelling | 
| Spelling Mistakes - Common | 
| Spelling Tab | 
| SPELLNUMBER - Custom Function | 
| SPELLNUMBER - User Defined Function | 
| SPELLNUMBERREVERSE - Custom Function | 
| SPELLNUMBERREVERSE - UDF | 
| Spill Range | 
| Spill Range References | 
| Spilled Array Formulas | 
| Spilling - Dynamic Arrays | 
| Spilling Arrays | 
| Spin Button - Worksheet | 
| Spinners - Worksheet | 
| Split Cell Diagonal | 
| Split Cell with Space | 
| Split Name into Last and First | 
| Split Page | 
| Split Pane | 
| Split Screen | 
| Split Window | 
| Splitting Cells | 
| Splitting Columns | 
| Splitting Data | 
| Splitting First and Last Name | 
| Splitting First Name From Full Name | 
| Splitting into Panes | 
| Splitting Panes | 
| Splitting Screens | 
| Splitting Text | 
| Splitting Worksheets | 
| Spreadsheet Compare 2013 | 
| Spreadsheet Inquire Add-in | 
| Spreadsheet Solutions Tab | 
| Spreadsheet Solutions Templates | 
| Spreadsheet Viewer | 
| SpreadsheetML | 
| Spreadsheets | 
| SQL | 
| SQL (Structured Query Language) | 
| SQL.REQUEST - Built-in Function | 
| SQRT - Built-in Function | 
| SQRTPI - Built-in Function | 
| Square Root | 
| Squared Error | 
| Stacked Bar Charts | 
| Stacked Column Charts | 
| Standard Deviation | 
| Standard Error | 
| Standard Operating Procedure (SOP) | 
| Standard Toolbar (2003) | 
| STANDARDIZE - Built-in Function | 
| Stars and Banners Toolbar | 
| Start Screen | 
| Start Screen vs Blank Workbook | 
| Startup - Excel15.xlb | 
| Startup - Personal.xlsb | 
| Startup Folder | 
| Startup Switches | 
| Static Numbering | 
| Statistical Functions | 
| Statistics | 
| Status Bar | 
| Status Bar - Average | 
| Status Bar - Calculate | 
| Status Bar - Count | 
| Status Bar - Customize | 
| Status Bar - End Mode | 
| Status Bar - Overtype Mode | 
| Status Bar - Selection Mode | 
| Status Bar - Sum | 
| Status Bar - Totals | 
| STDEV - Built-in Function | 
| STDEV.P - Built-in Function | 
| STDEV.S - Built-in Function | 
| STDEVA - Built-in Function | 
| STDEVP - Built-in Function | 
| STDEVPA - Built-in Function | 
| Stem and Leaf | 
| Stem and Leaf Diagrams | 
| Stemplot Chart | 
| Stemplot Diagram | 
| Stepped Charts | 
| STEYX - Built-in Function | 
| Stock Analysis | 
| Stock Charts | 
| Stock Connector | 
| Stock Forecast | 
| Stock Market Data | 
| Stock Price Import | 
| Stock Quotes - LSEG | 
| STOCKHISTORY - Built-in Function | 
| Stocks | 
| Stocks Linked Data Type | 
| Stop Automatic Formats | 
| Stop Calculating | 
| Stop Recording Toolbar | 
| Strikethrough | 
| String Concatenation | 
| String Functions | 
| String Matching | 
| String Value | 
| Strings - Comparing | 
| Strings - Concatenating | 
| Strings - Matching | 
| Strings - Regular Expressions | 
| STRINGTOLONG - User Defined Function | 
| STRINGTOROMAN - User Defined Function | 
| Striped Right Arrow | 
| Structured References | 
| Structured References - Turn Off | 
| Structured Table Reference | 
| Student T-Distribution | 
| Student T-Test | 
| Styles | 
| Styles - Cell | 
| Styles - Changing | 
| Styles - Comma | 
| Styles - Creating | 
| Styles - Currency | 
| Styles - Deleting | 
| Styles - Merging | 
| Styles - Modifying | 
| Styles - Normal | 
| Styles - Percent | 
| Styles - Tables | 
| Styles - Too Many Formats | 
| Subscript | 
| SUBSTITUTE - Built-in Function | 
| SUBTOTAL - Built-in Function | 
| SUBTOTAL - Hidden Rows | 
| SUBTOTAL - Illustrated Example | 
| SUBTOTAL - Nesting | 
| Subtotal Calculations | 
| SUBTOTAL Function - Hidden Rows | 
| SUBTOTAL Function - Illustrated Example | 
| SUBTOTAL Function - Nesting | 
| Subtotals | 
| Subtotals - Automatic | 
| Subtotals - Outlines | 
| Subtract Business Days from a Date | 
| Subtract Days from Date Excluding Weekends | 
| Subtract Days from Date Including Weekends | 
| Subtract Hours from Date | 
| Subtract Hours from Time | 
| Subtract Minutes from Date | 
| Subtract Minutes from Time | 
| Subtract Numbers | 
| Subtract Seconds from Time | 
| Subtract Weeks from Date | 
| Subtract Years from Date | 
| Subtracting Business Days | 
| Subtracting Dates | 
| Subtracting Dates Before 1900 | 
| Subtracting Days | 
| Subtracting Integers | 
| Subtracting Months | 
| Subtracting Months | 
| Subtracting Numbers | 
| Subtracting Percentages | 
| Subtracting Time | 
| Subtracting Years | 
| Subtraction | 
| SUM - Built-in Function | 
| Sum Above | 
| SUM and VLOOKUP | 
| Sum by Color | 
| Sum by Words | 
| Sum Columns | 
| Sum Functions | 
| Sum Left | 
| Sum Multiple Forecasts | 
| Sum Non Numeric | 
| Sum Numbers Formatted As Text | 
| Sum of Amount - Pivot Tables | 
| Sum of Powers | 
| Sum of Selection | 
| Sum Only Visible Cells | 
| Sum Right | 
| Sum Rows | 
| Sum the Last n Numbers | 
| Sum Total | 
| Sum Visible Cells | 
| Sum with #DIV/0! | 
| Sum within Range | 
| SUM(IF( | 
| SUM(IF( - Conditional Sum Wizard | 
| SUMBETWEEN - User Defined Function | 
| SUMBYCELLCOLOR - UDF* | 
| SUMBYFONTBOLD - UDF* | 
| SUMBYFONTCOLOR - UDF* | 
| SUMDIGITS - User Defined Function | 
| SUMFORMAT - Custom Function | 
| SUMFORMAT - User Defined Function | 
| SUMFORMAT_CELLCOLOR - UDF | 
| SUMFORMAT_FONTBOLD - UDF | 
| SUMFORMAT_FONTCOLOR - UDF | 
| SUMFORMATTING - UDF* | 
| SUMIF - Built-in Function | 
| SUMIF and VLOOKUP | 
| SUMIF.xla | 
| SUMIFS - Built-in Function | 
| SUMIFS - Illustrated Example | 
| Summarising Data | 
| Summarize Values By - Pivot Tables | 
| Summary columns to right of detail | 
| Summary Worksheet | 
| Summing Cells | 
| Summing Every 2nd Item | 
| Summing Functions | 
| Summing Multiple Forecasts | 
| Summing Numbers | 
| Summing Unique Values | 
| Summing Visible Cells | 
| Summing with AutoSum | 
| Summing with Multiple Conditions | 
| SUMPRODUCT - Built-in Function | 
| SUMPRODUCT - Illustrated Example | 
| SUMPRODUCT and COUNTIF | 
| SUMPRODUCT for Counting | 
| SUMPRODUCT for Summing | 
| SUMSQ - Built-in Function | 
| SUMVISIBLE - Custom Function | 
| SUMVISIBLE - User Defined Function | 
| SUMVISIBLEIFS - Custom Function | 
| SUMVISIBLEIFS - User Defined Function | 
| SUMX2MY2 - Built-in Function | 
| SUMX2PY2 - Built-in Function | 
| SUMXMY2 - Built-in Function | 
| Sunburst Chart Type | 
| Superscript | 
| Suppress #DIV/0! | 
| Suppress Zeros | 
| Surface Charts | 
| SVG (Scalable Vector Graphics) | 
| SWITCH - Built-in Function | 
| Switch Row Column - Charts | 
| Switches - Add-in Registration* | 
| Switches - Startup | 
| SYD - Built-in Function | 
| Symbolic Link Format | 
| Symbols | 
| Synchronise Scrolling | 
| Synchronise Sheets | 
| Syntax - Formulas | 
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