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Year released:
[www].se [ftp].se [mirror].us [mirror].de
Trapeze.sit (656.88 KB)
MD5: 6fd1f507d26661a5e5674ce3a76d7381
For System 6.x - System 7.0 - 7.6
This app works with: Basilisk II, Mini vMac

The Trapeze spreadsheet was an innovative and unique program written for the Macintosh during the late 1980s. Although not as great a success as Microsoft Excel from a marketing point of view, it was much more flexible, and many of the best features of Apple's Numbers spreadsheet are right out of Trapeze. Some help files are included here, and the program includes built-in help (under the Apple menu).


Architecture: 68k

68k Macs, System 6 and 7, Mini vMac and Basilisk II.


mrdav's picture
by mrdav - 2014, April 15 - 10:53pm

Deltagraph is a great product that I still use in my work today. I think the first version I purchased was ver 2 and I have be upgrading over the years ever since.

andrewwulf's picture
by andrewwulf - 2014, April 15 - 10:23pm

I was the one of the original authors and came up with the idea. Data Tailor was my company, and we sold Trapeze to Access, which then split into Deltapoint. We also wrote Deltagraph, but that had nothing to do with Trapeze at all other than sharing some of the programmers. Deltagraph is still sold today by Red Rock Software.

ccmac's picture
by ccmac - 2012, March 14 - 5:12am

Just discovered that a newer version (2.11b) is at Grenier du Mac:

It is a French version but should not be too hard to convert to English.

I have also discovered some of the history of this interesting program. The publisher, Access Technology, eventually broke into two parts with the entire Mac division reforming as DeltaPoint. DeltaPoint continued to publish Trapeze until about 1991 when it broke under Mac OS 7. The Trapeze programmers then developed DeltaGraph. Though DeltaGraph was never really marketed as an official replacement for Trapeze, at least one former Trapeze user claims that DeltaGraph is essentially Trapeze renamed. It would be interesting to compare the early versions of DeltaGraph to Trapeze to see if this is the case.

Edit: Changed 'xxx 7' to 'Mac OS 7' - IIGS User

MCP's picture
by MCP - 2012, March 12 - 3:50am

Yeah, I scanned and uploaded that ad with MindWrite; spreadsheets really aren't my thing. They make my eyes glaze over.