3D-Calc Spreadsheet

3D-Calc is a 3-dimensional spreadsheet program for the Atari ST computer (Atari Corp.). This computer is based on the Motorola 68000 processor and uses GEM as operating system (Graphical Environment Manager). 3D-Calc is written in Modula-2.

The first version of the program was released in April 1989 and was distributed by ISTARI bv, Ghent, Belgium. The spreadsheet was 3-dimensional since it contained 13 pages of 2048 rows and 256 columns. Cells of different pages could be cross-referenced.

Starting May 1991, the English version is distributed by Microdeal-Michtron, Cornwall, UK.

In January 1992, version 2.3 of the program was licensed to Atari Corp., who released Dutch and French translations.

In 1994, version 3 of 3D-Calc (renamed 3D-Calc+) was licensed to the U.K. magazine ST Applications.

The main features of the program are:

• 3 dimensional: 13 pages x 2048 rows x 256 columns;
• 3 spreadsheets simultaneously in memory; 3 windows can be open per spreadsheet;
• integrated text module, with data export from the spreadsheet allowing formatted data output, mailmerge, label printing etc.;
• integrated 3D-Calc programming language;
• graphical module includes: bar and line diagrams, pie chart, multiple bar and line graphs, stacked bar graphs, function graph, etc.;
• enhanced statistical analysis including: averages and distribution parameters, scatter diagram with best fitting curve, regression and correlation, t-tests, Wilcoxon tests, etc.;
• extended database functions;
• includes 3D-Calc spreadsheet accessory and text accessory;
• easy to use intuitive GEM-interface;
• reads Lotus 1-2-3 files.

Today, 3D-Calc is in the public domain and can be downloaded freely.

Get in touch when you have any comments and/or suggestions.

Frank Schoonjans