This is an original set of manuals for the Apple II Language System, a critical upgrade for the Apple II and II Plus that allowed the use of Pascal, Fortran, and Pilot. The set typically includes the Apple Language System Installation and Operation Manual and the Apple Pascal Language Reference Manual. These documents provide detailed instructions on installing the 16K Language Card into Slot 0, managing the "bank-switched" memory, and utilizing Apple's proprietary software environments that expanded the computer's memory to 64K. Manufacturer: Apple Computer, Inc. Condition: Used (Vintage manual condition; see pictures for true condition) Model Number: 030-0114 / 030-0115 (Part numbers vary by specific volume) Extra Notes: The Language System was a turning point for Apple, as it was the first time they officially broke the 48K memory barrier. These manuals are essential for collectors who own the physical "Language Card" (the 16K RAM expansion) or those interested in early UCSD Pascal development on the Apple II platform. They feature the classic Apple "Red Book" style layouts and detailed memory maps. Manufactured In: USA

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