• About Efofex Software
• MultiDocs
  • MultiDocs Edition Vrs Classic Edition
  • What is a MultiDoc And Why Are They So Good?
  • Adding The MultiDocs Toolbar To Word
  • Creating and Editing Graphics/Equations
    • Start FX Draw and FX Equation
    • Adding A New Graphic/Equation
    • Editing A Graphic/Equation
  • Parameters - The Basic Idea
  • Regenerating Parameter Based Documents - MultiDocs
    • Regenerate A Single Question
    • Regenerate All Questions
    • Syncing Changes (Advanced)
  • Creating Your First MultiDoc
    • Range - The Simplest Parameter
    • Start With An Old Question!
    • Edit The Solution (Or Question - Up To You)
    • Creating Our First Parameters
    • Replace Numbers With Parameters
    • Working Backwards
    • Introducing the Inline Calculator
    • Introducing Expression Parameters
    • Regenerate, Regenerate, Regenerate!
    • Update All Of The Question
    • One Last Check
  • Efofex Parameters
    • One Definition Per Line
    • The Three Main Parameter Types
      • Range Parameters
      • Expression Parameters
      • List Parameters
    • Commonly Used Parameters
      • RangeEx Parameters
      • Prime & PrimeEx Parameters
      • Composite & CompositeEx Parameters
      • NoCommonFactor Parameters
      • Pronumeral Parameters
      • Factor Parameters
    • Introducing References (Important!)
    • Parameters Which Use References
      • DivideInto Parameters
      • Coprime Parameters
      • Hand Parameter
      • Deck Parameters
      • Shuffle Parameter - Shuffling a Range of Values
    • Parameters Which Modify Other Parameters
      • SelectFrom Parameters
      • Shuffling Data, a Deck or a List
    • Multi Parameters (For Multiple Choice Questions)
    • More On References
      • Simple References $p[n]
      • Reference Ranges $p[s,f]
      • Specifying a Separator for Reference Ranges
      • $p[0] - The Number of Possibilities
      • $p[] - All the Possibilities
      • $p[...] - Elided Lists For When Things Get Large
    • Data Parameters
      • The Difference Between Lists and Data
      • Frequency, Group & Bivariate Data
        • Frequency Tables
        • Grouped Data
        • Bivariate Data
      • Explode Parameters
      • RandNormal Parameters
      • RandBetween Parameters
      • RandBinomial Parameters
      • RandExponential Parameters
      • RandGeometric Parameters
      • RandHyperGeometric Parameters
      • RandNegBinomial Parameters
      • RandPoisson Parameters
      • RandBivariate Parameters
      • Time Series Data Parameters
    • Less Commonly Used Parameters
      • Sequence Parameters
      • Char Parameters
      • Greek Letter Parameters
    • Managing Parameters
      • Sharing Parameters Between Objects
        • Copying and Pasting An Existing Object
        • Copying and Pasting Parameters From the Word Toolbar
        • Copying and Loading Parameters In Our Products
    • Creating Sets of Parameters
    • No Repeats
    • $numvariations
    • Stop Sharing Parameters
    • Reparametizing - Using Multiple Copies Of A Question
    • Creating Parametized Questions - Hints & Tips
      • Check For Consistent Difficulty
      • Don't Try To Create "All-In-One" Questions
      • Focus On The Solution
      • Regenerate Multiple Times
      • No Repeats Is Your Friend
      • Regenerate To Finish
      • Reusing Old Questions
      • Master Display Styles
      • Size Graphics In FX Draw, Not Word
      • Use Create Parameter From Selection
  • The Inline Calculator
    • Braces = Calculation
    • Using Parameters In Calculations
    • Controlling The Output of The Inline Calculator
    • Specialised Calculator Functions
      • Numeric Functions
        • Ceil
        • Denominator
        • Div
        • Floor
        • Frac
        • HCF
        • LCM
        • Max
        • Min
        • Mod
        • Numerator
        • NumFactors
        • PrimeFactors
        • PrimeFactorString
        • Sgn
        • Evaluate (Advanced)
      • Text Functions
        • Capitalise/Capitalize
        • ToLower
        • ToUpper
      • Date/Time Functions
        • CurrentDay
        • CurrentMonth
        • CurrentYear
        • Hours
        • Minutes
        • Seconds
      • Display Functions
        • Bin
        • Dec
        • Exact
        • Fix
        • Hex
        • Mixed
        • Round
        • Sci
        • Sig
        • Simplify
        • ToEnglish
        • ToEnglishCap
        • ToRoman
        • IfNotSimple
      • If/Then Statements and Conditions
        • The Basic Format Of An If Command
        • Conditions
        • Numbers Or Text
        • Nested If Commands
        • Boolean Commands For Conditions
          • Boolean Logic
            • And
            • Or
            • Not
            • Nor
            • Xor
          • Other Boolean Commands
            • IsComposite
            • IsCoprime
            • IsCube
            • IsEven
            • IsFactor
            • IsInteger
            • IsNatural
            • IsOdd
            • IsPrime
            • IsProperSubset
            • IsSquare
            • IsSubset
            • Contains
      • Function Analysis Functions
        • fnMax
        • fnMaxVal
        • fnMin
        • fnMinVal
        • fnVal
        • fnZero
      • Statistical Functions
        • Count
        • DataValue
        • Freq
        • FreqTable
        • Group
        • GroupDefn
        • IQR
        • LQ
        • Max
        • MaxRef
        • Mean
        • Median
        • Min
        • MinRef
        • Mode
        • MPA
        • Range
        • RegIntercept
        • RegSlope
        • RegR
        • SD
        • SDP
        • Sum
        • ToBivariate
        • UQ
        • Variance
        • XValue
        • YValue
      • Data Parameter Functions
        • Complement
        • Consonants
        • Intersection
        • Join
        • MostCommon
        • Sort
        • Union
        • Unique
        • Vowels
      • Algebraic Analysis Functions
        • Compare and CompareEq
        • QuadL
        • QuadR
        • Discriminate
  • Working With Mixed Mode Documents
  • Changing Fonts
  • Upgrading Modern Mode Graphics
  • Converting Classic Mode Graphics
  • FX Library
• FX Draw - Draw Mathematics & Science
  • Basic FX Draw Concepts
    • Select & Draw
    • Drawing With A Mouse
    • A First Look
    • The Main Drawing Toolbar
    • Geometrically Aware Drawing (GAD)
    • GAD Links
    • Figure Information
    • Annotations
    • The Top Toolbars
    • Control Points
    • Selecting Figures
    • Rotating Figures
    • Create Rotated Copies of Figures
    • Scaling (Dilating) Figures
    • Create Scaled Copies of Figures
    • Moving (Translating) Figures
    • Creating Translated Copies of Figures
    • Manipulating Figures
    • Sliders
    • Editing Properties
    • Grid
    • Setting Defaults
    • Font Management
    • Font Styles
      • Selecting a Font Style
      • The Select Font Style Window
      • What The Style Descriptors Mean
      • Changing The Standard Font Styles
      • Choosing a Font Style
    • Grouping and Ungrouping
    • Changing the Drawing Order
    • Printing
    • Cut / Copy / Paste
    • Undo and Redo
    • Keyboard Shortcuts
    • Exporting to Graphics Files
  • Tools
    • Select
    • The Lines
    • Drawing Lines Using Defaults
    • Adding Regularly Spaced Points To Lines
    • Ruler
    • Dimensions
    • Matchsticks
    • Dials
    • Connectors
    • Spring (Science)
    • The Circles
    • Adding Regularly Spaced Points To Circles
    • Dividing Circles into Sectors
    • The Quadrilaterals
    • Bitmap Tool
    • Text/Equation Boxes
      • Using Chemical Equations
    • Titles
    • Lists
    • Tables
    • Point
    • Smooth Lines
    • Triangles
    • Polygons
    • The Ellipses
    • Other Conic Sections
    • The Arcs / Sectors / Segments
    • Angle Marks
    • The Protractors
    • Bearings
    • Shade Regions
    • Function Graphs
      • Creating Graphs
      • Quick Entry Screen
      • Function Entry
      • Important Points About Function Entry
      • Masking Graphs
      • Graphing in 3D
      • Types of Functions
        • Overview
        • Cartesian Functions
        • "Multiple Armed" Functions
        • Polar Functions
        • Inverse Cartesian
        • Implicitly Defined
        • Parametric
        • Point Functions (Cartesian & Polar)
        • Groups of Points
        • Vectors
        • Smoothed Curves
        • First Order Differentials
        • Complex Numbers
        • Greatest Integer Functions, Sgn Functions and Piecewise Defined Functions
        • Piecewise Defined Functions
        • Voronoi Diagrams
        • 3D Cartesian Functions
        • 3D Polar Functions
        • 3D Points and Vectors
        • 3D Parametric Functions
      • Function Reference
      • Points of Interest
      • Right Clicking
      • Function Control Toolbar
      • Select Mode
      • Moving Around The Plane Using The Keyboard
      • Zooming
      • Domains
      • Composite Functions
      • Transformational Graphing
      • Constants
      • Variables
      • Inequations & Feasible Regions
      • Derivative Curves
      • Integrals
      • Volumes of Solids of Revolution
      • Tangent and Secant Lines
      • Tables of Values
      • Marked Points
      • Arc / Curve Lengths
      • Rulers
    • Statistical Graphs
      • Using The Stat Tool
        • The Three Views
        • The Data View
          • Think in Columns!
          • Formulas Work Once!
          • Column Types
          • Column Type Detection
          • Changing Column Types
          • Data Columns
          • Label Columns
          • Using Frequency Columns
          • Entering Grouped Data
          • Entering Formulas
          • Formula Columns
          • Column Titles
          • Fill Down
          • Masking Data
          • Highlighting Data
          • Re Run Formulas
          • Quick Graph
          • Quick Group
          • Quick Sort
          • Quick Statistics
          • Statistics Specific Functions
          • Copying And Pasting Data
        • The Statistics View
          • Automatic Statistics
          • Expanding Subsections
          • Extra Columns
          • Copying Statistics to Clipboard
        • The Graph View
          • Graph Control Buttons
          • Creating A Graph
          • Changing Graph Type
          • Editing Graph Properties/Options
            • Axes Properties
            • Scale Properties
            • Grid Properties
            • Titles
            • Specific Graph Type Properties
              • Bar Graph
              • Stacked Bar Graph
              • Column Graph
              • Stacked Column Graph
              • Box Plots
              • Cumulative Frequency Plot
              • Dot Plot
              • Frequency Polygon
              • Stacked Frequency Polygon
              • Histogram
              • Stacked Histogram
              • Cumulative Histogram
              • Stacked Cumulative Histogram
              • Back-to-Back Histogram
              • Line Graph
              • Pie Graph and Divided Bar Graph
              • Residuals Graph
              • Scattergraph
              • Link Graphs
              • Stem & Leaf Plot
              • Triangle Graph
              • Pareto Graphs
              • Normal Distribution Curve
              • Cumulative Normal Distribution Curve
            • Data Box Properties
          • Selecting Data On Graph
          • Modifying Data On Graph
          • Combining Graph Types
        • Data Generators
          • Discrete
            • Equi-Likely Integers
            • Bernoulli
            • Binomial
            • HyperGeometric
            • Geometric
            • Negative Binomial
            • Poisson
          • Continuous
            • Uniform
            • Normal
            • Exponential
            • Log Normal
            • Chi Squared
          • Bivariate Data
          • Time Series Data
          • Dice
        • Customising The Stat Tool
          • Setting Defaults
          • System Options
      • The Statistics Functions
        • CumFreqTable(column)
        • Decile(column)
        • Deviation(column)
        • Fibonacci(first, second number)
        • FreqTable(column)
        • Group(column, number) / GroupN(column, number)
        • GroupE(column)
        • GroupW(column,width)
        • Inc(start,increment,number)
        • MPA(column,cyclelen)
        • Normal(column) / NormP(column)
        • NormPDF(column)
        • NormQ(column)
        • Percentile(column)
        • Predict(column1, column2, regtype) / PredictY()
        • PredictX(column1, column2, regtype)
        • Rand(number)
        • RandBernoulli(probability,number)
        • RandBetween(low,high,number)
        • RandBinomial(attempts,probability,number)
        • RandChiSquared(degrees, number)
        • RandExponential(rate, number)
        • RandGeometric(probability,number)
        • RandHyperGeometric(select,total,success,number)
        • RandNegBinomial(successes, probability, number)
        • RandLognormal(mean, sd, number)
        • RandNormal(mean, sd, number)
        • RandPoisson(successes, number))
        • RandStudentt(degrees,number)
        • Rank(column) / RankD(column)
        • RankA(column)
        • Residual(column1, column2, regtype) / ResidualY( )
        • ResidualX(column1, column2, regtype)
        • Round(column, decimalplaces)
        • Row / @
        • Seasonalise(column, cyclelen)
        • Sort(column) / SortA(column)
        • SortD(column)
        • SortCol(column) / SortColA(column)
        • SortColD(column)
        • Stanine(column)
        • Standardise(column, mean, sd)
        • Triangular(number)
        • Tribonacci(first, second, third, number)
        • ZScore(column)
      • Other Functions
        • Trigonometric Functions
        • Inverse Trigonometric Functions
        • Hyperbolic Functions
        • Abs(x)
        • Exp(x)
        • Ln(x)
        • Log(x)
        • Sqrt(x) / SR(x)
    • 3D Objects
    • Normal Distribution Curve
    • Two Circle Venn
    • Three Circle Venn
    • Number Line
    • Graph Papers
    • Unit Circle
    • Tree Diagrams
    • Clocks
    • Pascal's Triangle
    • Earth Geometry
    • Science Tools
      • Chemical Structures
        • How to Enter Structures
          • Basic Structures
          • Branched Structures
          • Benzene Rings
          • Unformatted Text / Comments
          • Clicking on Compounds I
          • Clicking on Compounds II
          • Rotating and Reflecting
          • Clearing Clicks, Rotations and Reflections
          • Isomers
          • The Arrows
          • Spaces
          • R & R'
          • Nitronium Ion
          • Entering Phase Information
          • Overriding Charges
          • Ionic Compounds
          • Polyatomic Ions
          • Ring Structures
          • Preventing Bonding
          • Degrees
        • Display Options
          • Hiding ?-H Bonds
          • Displaying Charges
          • Compounds Without Bonds
          • Allowing for Unbonded Electron Pairs
          • Showing All Electrons
        • Examples
          • Resonance Structures
          • Carbohydrates
          • EDTA
        • Co(NO3)2 becomes CO(NO3)2!
        • Changing Your Structures
          • Font
          • Equation and Structure Options
        • My Structure is Not Formatted Correctly!
      • Electrical Circuit Diagrams
        • Electrical Properties
        • Switchable Components
        • Using Switch Parameters
        • Batteries
        • Globes
        • Transformers
    • The Galleries
  • Preferences
    • Grid Preferences
    • Other Preferences
      • Draw Main Preferences
      • Draw Other Preferences
      • Graph Axes Preferences
      • Graph Other Preferences
      • Statistics Axes Preferences
      • Statistics Other Preferences
      • Advanced
  • Hints & Tips
    • How Do I Select Figures?
    • How Do I Change a Figure's Properties?
    • What Are Sliders?
    • What Is The Most Under-utilised FX Draw Feature?
    • How Do I Change a Figure's Default Properties?
    • How Do I Draw Network Diagrams Easily?
    • Why Do I End Up With a Small Mess When I Use The Graph Tool?
    • How Do I Draw More Than One Function On A Graph?
    • How Do I Draw Polar Graphs?
    • How Do I Draw Inverse Graphs?
    • How Do I Enter Domains?
    • Can FX Draw Draw Piecewise Defined Functions?
    • What is the Difference Between Out Of Range Arrows and High/Low End?
    • What is a Group?
    • How Do I Group Figures?
    • How Do I Ungroup Figures?
    • What Can Groups Be Used For?
    • What Is A Gallery?
    • How Do I Use the Galleries?
    • How Does the Direction of Drawing Affect the Gallery Images?
    • How Do I Save My Own Graphics To a Gallery?
    • Can I Edit Gallery Images?
    • What Is The Grid?
    • How Can I Remember The Greek Letter Codes?
    • Does The Equation Tool Balance Brackets?
    • Why Are Spaces So Important?
    • How Do I Enter An Ordered Pair?
    • How Do I Stop the Equation Tool From Formatting Something?
    • How Do I Enter A Matrix?
    • How Do I Enter a Degrees Sign?
• FX Equation - Incredibly Fast Equations 
  • Entering Equations
    • Getting Started
    • Equation Contexts
    • Introducing Autoquate
    • Evaluate A Selection
    • Toolbar Equation Entry
    • Detect Column Vectors
    • Inline Calculator
    • Equation Tool Reference
      • Absolute Value
      • Arcs
      • Boxes
      • Braces (Sets)
      • Braces And Brackets
      • Cancel
      • Cards
      • Cross
      • Combinations & Permutations
      • Complex Numbers
      • Composite Functions
      • Currency
      • Decimals
      • Definite Integral Bounds
      • Degrees
      • Derivative At A Point
      • Displaying Units
      • Dots
      • Entering Equations
      • Equation Numbers
      • Equation Options
      • Fractions
      • Greatest Integer
      • Greek Letters
      • Grid
      • Horizontal Lines
      • Integrals
      • International Considerations
      • Labelled Matrices
      • Limits
      • Logarithms
      • Logic Symbols
      • Matrices
      • Matrices (Deprecated)
      • Means and Complements
      • Mixed Numerals
      • Multiplication Sign
      • Negative Numbers
      • No Width Spaces
      • nth Roots
      • Piecewise Defined Functions
      • Powers
      • Predictions
      • Preventing Formatting
      • Product Notation
      • Raising The Decimal Point
      • Recognised Functions
      • Recurring Decimals
      • Scientific Notation
      • Short Division
      • Shortcuts
      • Sigma Notation
      • Spaces
      • Square Roots
      • Strike
      • Subscripts
      • Symbols
      • Table
        • Tables Are Entered Row By Row
        • Using & and \\ to Define Cells
        • Nested Tables and Grids
        • Aligning Tables/Grids/Matrices
        • Aligning Tables/Grids/Matrices With Other Objects
        • Spreading a Table / Grid Over Multiple Entry Lines
        • The opt Command (Advanced)
        • LaTex Style Formatting (Advanced)
      • Tally
      • Tri
      • Underline/Double Underline
      • Text Formatting
        • Strikeout
        • The Default Font
        • Standard Fonts
      • Brackets
      • Vector Support
        • Column Vectors
        • Automatic Vectors
        • Lowercase Vectors
        • Double Capitals
    • Chemical Equations
      • Using the Chemical Equation Editor
        • How to Enter the Equations
        • The Arrows
        • Unformatted Text
        • Nuclear Chemistry
        • Multiline Equations
        • Editing Your Equations
        • Co(NO3)2 becomes CO(NO3)2!
        • Degrees
        • Precipitation And Gas Evolution Arrows
        • Delta H
        • Alpha, Beta and Gamma
        • Neutrinos and Anti-neutrinos
        • Changing Your Equations
          • Text Formatting
          • Other Options
        • Organic Chemistry
        • Can FX Chem Balance Equations?
        • My Equation is Not Formatted Correctly!
        • A Neat Trick
    • Font Styles
      • Selecting a Font Style
      • The Select Font Style Window
      • What The Style Descriptors Mean
      • Changing The Standard Font Styles
      • Choosing a Font Style
    • International Considerations
    • Set As Default
    • Complex Equations
    • My Equation is Not Formatted Correctly!
  • Hints & Tips
    • Does FX Equation Balance Brackets?
    • Why Are Spaces So Important?
    • How Do I Enter An Ordered Pair? 
    • How Do I Enter A Matrix?
    • How Do I Enter a Degrees Sign?
• Standalone Mathematics Tools (FX Graph & FX Stat - Deprecated)
  • FX Graph
    • Using The Graph Tool
  • FX Stat
• Standalone Science Tools (FX Chem & FX ChemStruct - Deprecated)
  • FX Chem
    • Using FX Chem
  • FX ChemStruct
    • Using FX ChemStruct
• Using Graphics And Equations in Microsoft Word
  • MultiDocs Edition
  • Classic Edition
• Using Graphics in Other Products
• Using Equations In Other Products
  • Modern Mode Equations
  • Targeting
    • Setting the Target
    • Targets
  • Equations in Apple Pages
• Installation (Windows)
  • System Requirements
  • Installing Efofex Products on Your Computer (Basic)
  • The Preference Interview
  • Installation Notes (Windows)
  • Installation Notes For Network Administrators
  • Registration Code is Accepted but is Then Immediately "Forgotten"
  • MSI Packages
• Installation (Mac)
  • System Requirements
  • Installing Efofex Products on Your Computer (Basic)
  • The Preference Interview
  • Installation Notes (Mac)
  • Installation Notes For Network Administrators
• "How To Use" Videos
  • How to Use FX Draw, FX Graph, FX Stat or FX ChemStruct With OneNote
  • How to Use FX Draw, FX Graph, FX Stat or FX ChemStruct With Google Docs
  • How To Use FX Draw, FX Graph, FX Stat or FX ChemStruct With Moodle
  • How to Use FX Draw, FX Graph, FX Stat or FX ChemStruct In Pages
  • How To Use FX Draw, FX Graph, FX Stat or FX ChemStruct With LibreOffice Writer
  • How To Use FX Equation or FX Chem With OneNote
  • How To Use FX Equation or FX Chem With Moodle
  • How To Use FX Equation or FX Chem In Pages
  • How To Use FX Equation or FX Chem With LibreOffice Writer
• Support FAQ
  • Support Questions
  • Mac FAQ
    • Unable To Access Documents Folder
    • Permanently Allowing Access To Other Product’s Data
  • Word Integration
    • Word Toolbar Integration Troubleshooting (Windows)
      • Managing Toolbar Integration
      • Disabled Templates
      • Non Standard Template Location
    • Word Toolbar Integration TroubleShooting (Mac)
      • Managing Toolbar Integration
      • Disabled Templates
      • Template Missing From List
  • PowerPoint Integration
    • PowerPoint Integration Windows
    • PowerPoint Integration Mac
  • General
    • Fixing Resolution Issues
      • Stop Word From Compressing Images
      • Avoid JPG Files
      • Use SVG Output
      • Update Drivers
      • Create Higher Resolution Graphics
    • Some Digital Certificates Have Expired
    • Our Products Reporting That Windows Files Are Missing
    • Connectivity Issues
      • Detecting A Connectivity Issue
      • Benefits of Allowing A Connection
      • Unblocking A Connection
      • Technical Details
      • Using Modern Mode Graphics Without A Connection
    • Cannot Find Efofex ID in Graphic
      • Word 2011 (Mac)
      • Word Picture Styles
      • Simple Graphics In Word (Windows)
  • Equation Tools
    • Equations Not Being Lowered
• Legal Information
  • General Conditions
  • Personal Use Subscription
  • Staff Use Licence / Subscription
  • Staff + Student Use Licence / Subscription
  • Personal Use Perpetual License (Deprecated)
  • Details
  • Website Terms of Service Agreement
  • Refund Policy
  • Privacy Statement