biology

Johannes Acronius Frisius

Johannes Acronius Frisius is a biology 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 Johannes Acronius Frisius rather than just read about it. In short: Johannes Acronius Frisius (1520 – 18 October 1564) was a Dutch medical doctor and mathematician of the 16th century. He was named after his city of birth, Akkrum in Friesland.

Key takeaways

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

Reference excerpt

Johannes Acronius Frisius (1520 – 18 October 1564) was a Dutch medical doctor and mathematician of the 16th century. He was named after his city of birth, Akkrum in Friesland. From 1547 he worked as professor of mathematics in Basel, then after 1549 as professor of logic, and in 1564 of medicine. He died from the plague in the same year. Apart from mathematical and scientific works, he wrote Latin poetry and humanist tracts. According to the Historical Dictionary of Switzerland, "nothing justifies the usual identification of A[cronius] with the philologist and botanist Johannes Atrocianus".

Publications De motu terrae De sphaera De astrolabio et annuli astronomici confectione Cronicon und Prognosticon astronomica, manuscript biography and 45 aphorisms of the anabaptist David Joris.

References

Worked examples

Example 1 — a first encounter with Johannes Acronius Frisius

Start with the simplest possible case. Write down what Johannes Acronius Frisius claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 Johannes Acronius Frisius 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 Johannes Acronius Frisius 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 Johannes Acronius Frisius

In research: Johannes Acronius Frisius appears in biology 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 Johannes Acronius Frisius 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: Johannes Acronius Frisius is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1520 births, 1564 deaths, 16th-century Dutch mathematicians, so understanding it makes those chapters shorter.
In everyday life: Look for Johannes Acronius Frisius 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 Johannes Acronius Frisius in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Johannes Acronius Frisius 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 Johannes Acronius Frisius out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Johannes Acronius Frisius in simple terms?

Johannes Acronius Frisius (1520 – 18 October 1564) was a Dutch medical doctor and mathematician of the 16th century. He was named after his city of birth, Akkrum in Friesland.

Why does Johannes Acronius Frisius matter?

Because it connects several biology 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 Johannes Acronius Frisius?

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 Johannes Acronius Frisius.