Applesoft BASIC

E1045988

Apple II software BASIC dialect programming language dialect

Applesoft BASIC is a dialect of the BASIC programming language developed by Apple for the Apple II series, featuring floating-point support and integrated into the system’s ROM and operating environments.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
AppleSoft BASIC	1
AppleSoft BASIC Programmer's Reference Manual	1
Applesoft BASIC canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T13498288 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Applesoft BASIC
Context triple: [ProDOS, supportsLanguage, Applesoft BASIC]

A. Commodore BASIC
Commodore BASIC is a dialect of the BASIC programming language that was built into Commodore's 8-bit home computers and widely used by hobbyists in the late 1970s and 1980s.
B. Sinclair BASIC
Sinclair BASIC is a compact, interpreted BASIC programming language developed by Sinclair Research for its home computers, most famously used on the ZX Spectrum.
C. Microsoft BASIC
Microsoft BASIC is a family of early, widely distributed implementations of the BASIC programming language created by Microsoft for microcomputers in the 1970s and 1980s.
D. Locomotive BASIC
Locomotive BASIC is a dialect of the BASIC programming language designed for and built into Amstrad home computers, noted for its speed and advanced features for its time.
E. Dartmouth BASIC
Dartmouth BASIC is the original implementation of the BASIC programming language, developed at Dartmouth College in the 1960s to make computing more accessible to students and non-specialists.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Applesoft BASIC
Target entity description: Applesoft BASIC is a dialect of the BASIC programming language developed by Apple for the Apple II series, featuring floating-point support and integrated into the system’s ROM and operating environments.

A. Commodore BASIC
Commodore BASIC is a dialect of the BASIC programming language that was built into Commodore's 8-bit home computers and widely used by hobbyists in the late 1970s and 1980s.
B. Sinclair BASIC
Sinclair BASIC is a compact, interpreted BASIC programming language developed by Sinclair Research for its home computers, most famously used on the ZX Spectrum.
C. Microsoft BASIC
Microsoft BASIC is a family of early, widely distributed implementations of the BASIC programming language created by Microsoft for microcomputers in the 1970s and 1980s.
D. Locomotive BASIC
Locomotive BASIC is a dialect of the BASIC programming language designed for and built into Amstrad home computers, noted for its speed and advanced features for its time.
E. Dartmouth BASIC
Dartmouth BASIC is the original implementation of the BASIC programming language, developed at Dartmouth College in the 1960s to make computing more accessible to students and non-specialists.
F. None of above. chosen

Statements (51)

Predicate	Object
instanceOf	Apple II software ⓘ BASIC dialect ⓘ programming language dialect ⓘ
basedOn	Microsoft BASIC ⓘ
developer	Apple Computer ⓘ linked to: Apple Inc. Microsoft ⓘ
feature	CALL machine-language subroutine invocation ⓘ DATA and READ statements ⓘ DIM statement for arrays ⓘ FOR-NEXT loops ⓘ GOTO and GOSUB statements ⓘ IF-THEN conditional statements ⓘ ON-GOTO and ON-GOSUB statements ⓘ PEEK and POKE memory access ⓘ RESTORE statement ⓘ RND random number function ⓘ USR user-defined function entry point ⓘ array variables ⓘ built-in integer and floating-point numeric types ⓘ floating-point arithmetic support ⓘ immediate mode execution ⓘ interactive interpreter ⓘ line-numbered program structure ⓘ simple graphics commands on supported Apple II models ⓘ sound generation via PEEK/POKE and CALL to ROM routines ⓘ string variables ⓘ text-mode input and output ⓘ
integratedInto	Apple DOS ⓘ Apple II ROM ⓘ ProDOS ⓘ
introduced	late 1970s ⓘ
notableFor	being the de facto standard BASIC on most Apple II models ⓘ widespread use in schools with Apple II computers ⓘ
predecessor	Integer BASIC ⓘ linked to: BASIC
programmingLanguageFamily	BASIC ⓘ
replaced	Integer BASIC as the standard BASIC on later Apple II models ⓘ
storageLocation	ROM ⓘ floppy disk ⓘ
supports	alphanumeric variable names beginning with a letter ⓘ floating-point numbers up to approximately 10^38 magnitude ⓘ line numbers from 0 to 63999 ⓘ single-precision floating-point arithmetic ⓘ
targetPlatform	Apple II ⓘ Apple II Plus ⓘ Apple IIc ⓘ Apple IIe ⓘ Apple IIgs ⓘ
usedFor	business applications on Apple II ⓘ education ⓘ hobbyist programming ⓘ simple games ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

ProDOS → supportsLanguage → Applesoft BASIC ⓘ

AppleSoft BASIC PDL function → programmingLanguage → AppleSoft BASIC ⓘ

linked to: Applesoft BASIC

AppleSoft BASIC PDL function → documentation → AppleSoft BASIC Programmer's Reference Manual ⓘ