Research any topic before you write.

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

HP 30b

The HP 30b (NW238AA, variously codenamed "Big Euro", "Mid Euro" and "Fox") is a programmable financial calculator from HP which was released on 7 January 2010. The HP 30b is an advanced version of the HP's prior model HP 20b. Featuring a two line alpha numeric display, ability to input data via Reverse Polish Notation, Algebraic and normal Chain…

Science & Products

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 HP 30b. 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.

Key facts & relationships

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

Cost
USD 20 – 50
Dimensions
77 × 149 × 16 mm
Discontinued
2014
Display size
12+3 digits and 8 characters
Display type
LCD seven-segment display dot-matrix display
Entry mode
RPN, Algebraic, Chain

Topics to explore

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

Overview

WP 31S, WP 34S and WP 34C

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

HP 30b

Nodes19
Edges18
Triples28
Avg. degree1.89
Density0.105263
Components1

How this topic connects Entity context

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

HP 30b

Top relations

related to External links · 5
HP 30b → Archived, Hewlett Packard, HP, Retrieved, Virtual Calculator
related to HP 40b · 5
HP 30b → At, However, HP, PC, USB
Cost · 1
HP 30b → USD 20 – 50
Dimensions · 1
HP 30b → 77 × 149 × 16 mm
Discontinued · 1
HP 30b → 2014
Display size · 1
HP 30b → 12+3 digits and 8 characters
Display type · 1
HP 30b → LCD seven-segment display dot-matrix display
Entry mode · 1
HP 30b → RPN, Algebraic, Chain
Introduced · 1
HP 30b → 2010
Latest firmware · 1
HP 30b → 2010-04-05

Important terminology Word statistics

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

Important terminology

hp 30b financial calculator firmware wp also 34s 20b version algebraic chain programmable display data scientific 40b 31s 34c external

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
HP 30bCostUSD 20 – 501.00infobox
HP 30bDimensions77 × 149 × 16 mm1.00infobox
HP 30bDiscontinued20141.00infobox
HP 30bDisplay size12+3 digits and 8 characters1.00infobox
HP 30bDisplay typeLCD seven-segment display dot-matrix display1.00infobox
HP 30bEntry modeRPN, Algebraic, Chain1.00infobox
HP 30bIntroduced20101.00infobox
HP 30bLatest firmware2010-04-051.00infobox
HP 30bManufacturerHewlett-Packard1.00infobox
HP 30bMemory register50 data and 10 registers1.00infobox
HP 30bPower consumption0.25 mW1.00infobox
HP 30bPower supply2× CR2032 batteries (1 required, 1 optional)1.00infobox
HP 30bPredecessorHP 20b1.00infobox
HP 30bProcessor30 MHz Atmel AT91SAM7L128 (ARM7TDMI core)1.00infobox
HP 30bProgram steps290 bytes1.00infobox
HP 30bTypeFinancial1.00infobox
HP 30bWeight115 g1.00infobox
HP 30bis aadvanced version of the HP's prior model HP 20b0.90text

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.