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OPTION DELTAGRAPH SOFTWARE
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OPTION DELTAGRAPH SOFTWARE

After we sold it to a company called Access Technologies, we started a new company to just write software and our first customer was the author of Persuasion, which at the time was just a MacDraw clone. We had written Trapeze which was released in January of 1987, a spreadsheet like application, which had extensive charting functions. Given the popularity of my post What Writing - And Selling - Software Was Like In The 80's, I guess one more story is in order. There are likely few commercial apps still alive today that were first written in the late 80's and never had a rewrite.Įven though the timeframe is a long time ago, it's still an interesting tale.

OPTION DELTAGRAPH CODE

I shudder to think what the source code looks like today. You can still buy it today from the current owner RedRock. It's also still the original codebase, likely heavily modified (now at version 7, my last version was 3) but never rewritten. Then create a chart library and add the chart.The Story Of DeltaGraph November 24, 2014ĭeltaGraph is the one Macintosh application I led the development of that is still alive today, 26 years after I wrote the first line of code. Create the chart you want and customize it to fit your specific needs. Need to make the same chart several times but with different data sets? DeltaGraph's Chart Library tool makes it easy. Vector formats: EPS, PDF, EMF/WMF (Windows only)Ĭreate Template Libraries to recreate the same chart again & again! Raster formats: PNG, BMP, JPG, and TIF at up to 1200 ppi Export a single chart, a group of charts, or an entire canvas in one of many formats. DeltaGraph can handle it all.ĭeltaGraph gives you complete control over image exports. Show top, bottom, left, or right error bars based on a percentage, a standard deviation, a fixed value, or the value of a cell in the data sheet. Combine text with the drawing tools to call out specific chart features by adding arrows or ovals.Ĭhoose from several built in curve fits like polynomial or spline fits or use the editor to create your own custom function. There almost isn't anything that can't be drawn with these tools - in fact, DeltaGraph works pretty well as simple drawing application!Īdd text to any canvas in any available font.

OPTION DELTAGRAPH FULL

Turn one or more of the data series into an overlay with its own value scaleĬhange the size, color and style of the data symbols or linesĪdd an overlay plot with a secondary value axisĭeltaGraph's full set of drawing tools allows you to.Įdit backgrounds to add color and texture This is where DeltaGraph really shines.Ĭhange the data axis from linear to logrithmic Each will analyze the data and suggest charts to use.

OPTION DELTAGRAPH WINDOWS

Not sure which of DeltaGraph's numerous charts will work best with your data? The Chart Advisor for Macintosh or Chart Wizard for Windows can help. These functions can then be applied to columns of data. Of course, you can always simply copy data from another spreadsheet and paste it directly into the DeltaGraph data sheet.ĭeltaGaph provides 25 built in mathematical functions as well as a formula editor which allows you to add your own functions. Import directly from Excel files and even maintain a link to the Exel file so that when the data is changed, the charts using that data will be updated. Import data from text files in either CSV or tab delimited format. DeltaGraph makes the process of producing first quality, ready-for-publication charts & graphs as easy as collecting your data, choosing the best chart type, customizing that chart, and exporting your charts in any of a number of image formats.ĭeltaGraph gives you several options to set up your data:

With its unrivaled selection of over 80 chart types and easy customization capabilities you will find DeltaGraph the most comprehensive charting application available. DeltaGraph for Macintosh and Windows combines powerful statistical tools with stunning data visualization capabilities to give your data audience appeal.

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