VisiCalc (for ”visible calculator”)[1] was the first spreadsheet computer program for personal computers, originally released for the Apple II by VisiCorp. It is often considered the application that turned the microcomputer from a hobby for computer enthusiasts into a serious business tool, prompting IBM to introduce the IBM PC two years later.[2] VisiCalc is considered the Apple II’s killer app.[3] It sold over 700,000 copies in six years, and as many as 1 million copies over its history. Initially developed for the Apple II using a 6502 assembler running on the Multics time sharing system,[4][5][6] VisiCalc was ported to numerous platforms, both 8-bit and some of the early 16-bit systems. In order to do this, the company developed porting platforms that produced bug compatible versions. The company took the same approach when the IBM PC was launched, producing a product that was essentially identical to the original 8-bit Apple II version. Sales were initially brisk, with about 300,000 copies sold. VisiCalc used the A1 notation in formulas.[7] When Lotus 1-2-3 was launched in 1983, taking full advantage of the expanded memory and screen of the PC, VisiCalc sales ended almost overnight. Sales declined so rapidly that the company was soon insolvent. Lotus Development purchased the company in 1985, and immediately ended sales of VisiCalc and the company’s other products. (wikipedia)

References in zbMATH (referenced in 6 articles , 1 standard article )

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  1. Kepner, Jeremy; Jananthan, Hayden: Mathematics of big data. Spreadsheets, databases, matrices, and graphs. With a foreword by Charles E. Leiserson (2018)
  2. Rohn, Eli: Generational analysis of variety in data structures: impact on automatic data integration and on the semantic web (2010) ioport
  3. Campbell-Kelly, Martin: The rise and rise of the spreadsheet (2003)
  4. Ramalingam, G.; Reps, Thomas: On competitive on-line algorithms for the dynamic priority-ordering problem (1994)
  5. Ramalingam, G.; Reps, Thomas: On competitive on-line algorithms for the dynamic priority-ordering problem. (1994) ioport
  6. Beil, D. H. (Rochester Inst.of Tech., NY (USA). National Technical Inst.for the Deaf): The VisiCalc book - Apple edition. Das neue VisiCalc Buch fuer Apple Computer. (1982) MathEduc