Graph Software for Scientists and Engineers

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• Home Page
• Online Manual
• Printable User Manual (PDF)
• Features
  • Logarithmic Scale
  • Probability Scale
  • Grain Size Distribution Plot
  • Tripartite Plot
  • Polar Chart
  • Triangle Plot (Ternary Plot)
  • N1.85 Hydraulic Scale
  • Bar Chart
  • Mercator Projection
  • Geographic Maps
  • Baseline Shift
  • Creating blank graph paper
  • Graphing Inequalities
  • Graphing Systems of Inequalities
  • Playback synched high-speed recordings
  • Math functions
    • ABS - Absolute value
    • ACOS - Inverse cosine
    • ACOSH - Inverse hyperbolic cosine
    • ASIN - Inverse sine
    • ASINH - Inverse hyperbolic sine
    • ATAN - Inverse tangent
    • ATAN2 - Inverse tangent
    • ATANH - Inverse hyperbolic tangent
    • BESSELJ - Bessel function of the first kind
    • BESSELY - Bessel function of the second kind
    • CDF - Cumulative distribution function
    • CEIL - Rounds a number up
    • COS - Cosine
    • COSH - Hyperbolic cosine
    • DATE - Excel 1900 date system serial number
    • DAY - Day of the month from a date
    • ERF - Error function
    • ERFC - Complementary error function
    • EXP - Exponent (inverse of log)
    • FACT - Factorial
    • FLOOR - Rounds a number down
    • FPOWER - Raises a number to a fractional power
    • GCD - Greatest common divisor
    • LCM - Least common multiple
    • LOG - Natural (base-e) logarithm
    • LOG10 - Base-10 logarithm
    • MAX - Maximum of two values
    • MIN - Minimum of two values
    • MOD - Remainder after division
    • MONTH - Month from a date
    • MROUND - Returns a number rounded to the desired multiple
    • NORMDIST - Normal distribution
    • NORMDISTCDF - Cumulative distribution function (integral of NORMDIST)
    • NORMINV - Inverse of NORMDISTCDF
    • NORMRAND - Normally-distributed random number
    • PMT - Calculates loan payments
    • RANDBETWEEN - Random number between specified limits
    • RND - Random whole number
    • ROUND - Rounds a number to a specified number of digits
    • SIGN - Sign of a number
    • SIN - Sine
    • SINH - Hyperbolic sine
    • SQRT - Positive square root
    • SUM - Cumulative summation of a series
    • TAN - Tangent
    • TANH - Hyperbolic tangent
    • WEEKDAY - Day of the week from a date
    • WEEKNUM - Number of weeks since start of year
    • YEAR - Year from a date
• Downloads
• Buy DPlot
  • Buy DPlot online
• Other Products
  • DPlot Jr
  • DPlot Viewer
• Frequently Asked Questions
  • How many data points can I plot?
  • How do I import my CSV data into DPlot?
  • How do I import my data files that use a non-supported format into DPlot?
  • There is no DPlot menu in Excel. How do I make the Excel Add-In work?
  • How do I make a graph of a circle?
  • How do I graph an inequality?
  • Can I use DPlot to create blank graph paper?
    • Graph paper example (PDF)
  • How do I change the direction of coordinate axes?
  • How do I create a scatter plot?
  • How do I save a plot to an EPS (Encapsulated PostScript) file?
  • How do I save a plot to a PDF (Portable Document Format) file?
  • How do I call DPlot from my Visual Basic program?
  • How do I import a plot into PowerPoint?
  • How do I batch print a large number of files?
  • How do I create a series of plots with the same settings (scaling, labels, colors, etc.)?
  • How do I force DPlot to create a triangular mesh of my 3D points that is not convex?
    • Define Boundary Command
    • Defining Interior Holes
  • How do I create a waterfall plot?
  • Where can I get free stock market data suitable for plotting in DPlot?
  • Help! DPlot's Help doesn't work!
  • As a program developer, can I distribute DPlot with my application?
  • Why don't you answer my e-mail?
  • What is our privacy policy?
• Contact Info
• Support Forums
  • General Discussion
  • Suggestions/Questions
  • Bug Reports
  • Programming - C/C++
  • Programming - FORTRAN
  • Programming - Basic
  • Programming - Excel
• Revision History
  • Revision History Archives
• Links
• DPLOTLIB Interface Routines for DPlot
  • Getting Started
  • Example Programs
  • Data Types
  • DPLOT Structure
  • Calling Convention
  • DPLOTLIB Functions
    • DPlot_3DBorder function
    • DPlot_AddData function
    • DPlot_AlwaysActivate function
    • DPlot_Command function
    • DPlot_GetBitmap function
    • DPlot_GetBitmapEx function
    • DPlot_GetEnhMetaFile function
    • DPlot_GetVersion function
    • DPlot_Plot function
    • DPlot_PlotBitmap function
    • DPlot_PlotToRect function
    • DPlot_Request function
    • DPlot_SetErrorMethod function
    • DPlot_Start function
    • DPlot_Stop function
    • DPlot_YFromX
    • DPlot_ZFromXY
  • Deployment
  • DPLOTLIB Revision History
• Piracy
• Privacy Policy
• End User License Agreement (EULA)