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The Mac OS Calculator as it shipped in 1984, with System 1. The Calculator program has a long associated history with the beginning of the Macintosh platform, where a simple four-function calculator program was a standard desk accessory from the earliest Mac operating system versions.
Software license OS Support Precision Scientific mode RPN mode Hex/oct/bin mode DeskCalc: MIT: Haiku: Arbitrary decimal Yes No No Mac OS calculator: Proprietary: macOS: Double (64 bit) Yes Yes Yes GNOME Calculator: GPL-3.0-or-later: Linux, BSDs, macOS: Arbitrary decimal Yes Yes Yes KCalc: GPL-2.0-or-later: Linux, BSDs, macOS: Arbitrary decimal ...
A software calculator is a calculator that has been implemented as a computer program, rather than as a physical hardware device. They are among the simpler interactive software tools, and, as such, they provide operations for the user to select one at a time.
Data position measurement (DPM) is a CD and DVD copy protection mechanism that operates by measuring the physical location of data on an optical disc. Stamped CDs are perfect clones and always have the data at the expected location, while a burned copy would exhibit physical differences. DPM detects these differences to identify user-made copies.
VisiCalc ("visible calculator") [1] is the first spreadsheet computer program for personal computers, [2] originally released for the Apple II by VisiCorp on October 17, 1979. [1] [3] It is considered the killer application for the Apple II, [4] turning the microcomputer from a hobby for computer enthusiasts into a serious business tool, and then prompting IBM to introduce the IBM PC two years ...
The following is a list of Mac software – notable computer applications for current macOS operating systems. For software designed for the Classic Mac OS , see List of old Macintosh software . Audio software
Second-generation (transistor-based) computer. 1964 $2.3B: $22.595B Base model CDC 6600 price: $6,891,300. The CDC 6600 is considered to be the first commercially-successful supercomputer. 1984 $18,750,000 $54,988,789 Cray X-MP/48 $15,000,000 / 0.8 GFLOPS. Third-generation (integrated circuit-based) computer. 1997 $30,000 $56,940
Computer processing efficiency, measured as the power needed per million instructions per second (watts per MIPS) Instructions per second (IPS) is a measure of a computer's processor speed.