mathematics

Trevor Pearcey

Trevor Pearcey is a mathematics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Trevor Pearcey rather than just read about it. In short: Trevor Pearcey (5 March 1919 – 27 January 1998) was a British-born Australian scientist, who created CSIRAC, one of the first stored-program electronic computers in the world. Born in Woolwich, London, he graduated from Imperial College in 1940 with first class honours in physics and mathematics.

Key takeaways

Trevor Pearcey belongs to mathematics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Trevor Pearcey to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Trevor Pearcey from memory before moving on to harder problems.

Reference excerpt

Trevor Pearcey (5 March 1919 – 27 January 1998) was a British-born Australian scientist, who created CSIRAC, one of the first stored-program electronic computers in the world. Born in Woolwich, London, he graduated from Imperial College in 1940 with first class honours in physics and mathematics. He emigrated to Australia in 1945. In a 1948 paper, published in the Australian Journal of Science, he envisaged using a digital electronic computer for providing information over a national telecommunications network:

It is not inconceivable that an automatic encyclopedic service operated through the national teleprinter or telephone system, will one day exist. He bet that he could make an electronic device that would be 1000 times faster than the best electronic device of the time. One of his calculators filled a small room, weighing 7 tons. He was awarded a D.Sc. by the University of Melbourne in 1971. In his later years he lived on the Mornington Peninsula near Melbourne. The Pearcey Foundation and the Pearcey Award for outstanding achievement by an Australian in the ICT industry are named after him.

Worked examples

Example 1 — a first encounter with Trevor Pearcey

Start with the simplest possible case. Write down what Trevor Pearcey claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Trevor Pearcey before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Trevor Pearcey ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Trevor Pearcey

In research: Trevor Pearcey appears in mathematics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Trevor Pearcey in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Trevor Pearcey is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1919 births, 1998 deaths, 20th-century English mathematicians, so understanding it makes those chapters shorter.
In everyday life: Look for Trevor Pearcey outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Trevor Pearcey in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Trevor Pearcey means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Trevor Pearcey out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Trevor Pearcey in simple terms?

Why does Trevor Pearcey matter?

Because it connects several mathematics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Trevor Pearcey?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Trevor Pearcey.