Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Erable

Erable is a computer algebra system (CAS) for a family of Hewlett-Packard graphing scientific calculators of the HP 40, 48 and HP 49/50 series.

History & Science

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Erable. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

History

Bernard ParisseFr48SXALG48Mika Heiskanen
22 related topics

Versions

GNU GPLLGPL
2 related topics

Overview

Computer algebra systemHP 4048HP 49/50 series
4 related topics

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Developers
Bernard Parisse [fr], Mika Heiskanen, Claude-Nicolas Fiechter
License
LGPL
Release
1993; 33 years ago (1993)
Stable release
4.20060919 (2006-09-19) / 2009-04-21/2012-04-26
Type
Computer algebra system
Written in
System RPL

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Versions

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Erable

Nodes32
Edges31
Triples31
Avg. degree1.94
Density0.0625
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Erable

Top relations

related to history · 15
Erable → ALG48, ALGB, At, Bernard Parisse, CAS, Claude-Nicolas Fiechter, Compatible, French, HP, HP49 CAS, Maple, Mika Heiskanen, Originally, Over, When Hewlett-Packard
related to Versions · 8
Erable → CAS, GNU GPL, Hewlett-Packard, HP, LGPL, Parisse, Parts, The
Developers · 1
Erable → Bernard Parisse [fr], Mika Heiskanen, Claude-Nicolas Fiechter
License · 1
Erable → LGPL
Release · 1
Erable → 1993; 33 years ago (1993)
Stable release · 1
Erable → 4.20060919 (2006-09-19) / 2009-04-21/2012-04-26
Type · 1
Erable → Computer algebra system
Website · 1
Erable → www-fourier.ujf-grenoble.fr/~parisse/english.html#hpcalc
Written in · 1
Erable → System RPL
is a · 1
Erable → computer algebra system

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

hp system cas parisse series hewlett-packard computer algebra 48 named calculators fr lgpl software 49 50 versions also 48sx alg48

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
ErableDevelopersBernard Parisse [fr], Mika Heiskanen, Claude-Nicolas Fiechter1.00infobox
ErableLicenseLGPL1.00infobox
ErableRelease1993; 33 years ago (1993)1.00infobox
ErableStable release4.20060919 (2006-09-19) / 2009-04-21/2012-04-261.00infobox
ErableTypeComputer algebra system1.00infobox
ErableWebsitewww-fourier.ujf-grenoble.fr/~parisse/english.html#hpcalc1.00infobox
ErableWritten inSystem RPL1.00infobox
Erableis acomputer algebra system0.90text
Erablerelated to historyOriginally0.60section
Erablerelated to historyALGB0.60section
Erablerelated to historyFrench0.60section
Erablerelated to historyBernard Parisse0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.