Quattro Pro 1.0 (Win)

System

Quattro Pro 1.0 (Win)

Quattro Pro, initially just named "Quattro", is a spreadsheet application from Borland International. It competed against Lotus 1-2-3 and Excel, and had several advantages including tabbed sheets, and the ability to handle up to a million rows. Quattro Pro was the subject a lawsuit by Lotus, simply because because Quattro Pro copied their menu user interface, but Lotus claimed this was not allowed. This also affected The Twin and VP-Planner.

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tarlabnor

In the product information: "Vendor: Ashton-Tate"

It's definitely Borland.

SomeGuy

OK, fixed. Thanks for pointing that out.