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Beschreibung

A calculator using rpn (reverse polish notation)
Wikipedia:
[https://en.wikipedia.org/wiki/Reverse_Polish_notation]
Reverse Polish notation (RPN) is a mathematical notation in which every operator follows all of its operands, in contrast to Polish notation (PN), which puts the operator in the prefix position. It is also known as postfix notation and is parenthesis-free as long as operator arities are fixed. The description "Polish" refers to the nationality of logician Jan Łukasiewicz,[1] who invented (prefix) Polish notation in the 1920s.[2][3]
The reverse Polish scheme was proposed in 1954 by Burks, Warren, and Wright[4] and was independently reinvented by F. L. Bauer and E. W. Dijkstra in the early 1960s to reduce computer memory access and utilize the stack to evaluate expressions. The algorithms and notation for this scheme were extended by Australian philosopher and computer scientist Charles Hamblin in the mid-1950s.[5][6]
During the 1970s and 1980s, RPN was well-known to many calculator users, as Hewlett-Packard used it in their pioneering 9100A[7] and HP-35 scientific calculators, the succeeding Voyager series - and also the "cult" HP-12C financial calculator.[8]
In computer science, postfix notation is often used in stack-based and concatenative programming languages. It is also common in dataflow and pipeline-based systems, including Unix pipelines.
Most of what follows is about binary operators. A unary operator for which the reverse Polish notation is the general convention is the factorial.

Neue Funktionen von Version 1.5

Added iOS15 support

Anbieter

Name

HPR-Solutions

Informationen

Entwickler

Version

1.5

Größe

1,2 MB

Game Center

Nein

VPP Device Licensing

Ja

Bewertung

Altersfreigabe: 4+

Kompatibilität

iOS 13.0 oder neuer

Geräte

iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XR, iPhone XS, iPhone XS Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2. Generation), iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 mini, iPhone 13, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone SE (3. Generation), iPhone 14, iPhone 14 Plus, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 15, iPhone 15 Plus, iPhone 15 Pro, iPhone 15 Pro Max, iPad (5. Generation) Wi-Fi, iPad (5. Generation) Wi-Fi + Cellular, iPad (6. Generation) Wi-Fi, iPad (6. Generation) Wi-Fi + Cellular, iPad Pro, iPad Pro (Cellular), iPad Pro (9,7 Zoll), iPad Pro (9,7 Zoll) (Cellular), iPad Pro (12,9", 2. Generation), iPad Pro (12,9", 2. Generation) Wi-Fi + Cellular, iPad Pro (10,5"), iPad Pro (10,5") Wi-Fi + Cellular, iPad Pro (11"), iPad Pro (11") Wi-Fi + Cellular, iPad Pro (12,9", 3. Generation), iPad Pro (12,9", 3. Generation) Wi-Fi + Cellular, iPad Air, iPad Air (Cellular), iPad Air 2, iPad Air 2 (Cellular), iPad Air (3. Generation), iPad Air (3. Generation) Wi-Fi + Cellular, iPad mini Retina, iPad mini Retina (Cellular), iPad mini 3, iPad mini 3 (Cellular), iPad mini 4, iPad mini 4 (Cellular), iPad mini (5. Generation), iPad mini (5. Generation) Wi-Fi + Cellular, iPad (7. Generation) Wi-Fi + Cellular, iPad Pro 11" (2. Generation), iPad Pro 11" (2. Generation) Wi-Fi + Cellular, iPad Pro 12,9" (4. Generation), iPad Pro 12,9" (4. Generation) Wi-Fi + Cellular, iPad Air (4. Generation) (Wi-Fi), iPad Air (4. Generation) (Wi-Fi + Cellular), iPad (8. Generation) Wi-Fi, iPad (8. Generation) Wi-Fi + Cellular, iPad Pro 11" (3. Generation), iPad Pro 11" (3. Generation) Wi-Fi + Cellular, iPad Pro 12,9" (5. Generation), iPad Pro 12,9" (5. Generation) Wi-Fi + Cellular, iPad (9. Generation), iPad (9. Generation) Wi-Fi + Cellular, iPad mini (6. Generation), iPad mini (6. Generation) Wi-Fi + Cellular, iPad Air (5. Generation), iPad Air (5. Generation) Wi-Fi + Cellular, iPad Pro 11" (4. Generation), iPad Pro 11" (4. Generation) Wi-Fi + Cellular, iPad Pro (12,9", 6. Generation), iPad Pro (12,9", 6. Generation) Wi-Fi + Cellular, iPad (10. Generation), iPad (10. Generation) Wi-Fi + Cellular, iPod touch (6. Generation), iPod touch (7. Generation)

Sprachen

Englisch

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