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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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formulae

Grammar usage guide and real-world examples

USAGE SUMMARY

The word 'formulae' is considered correct and usable in written English.
You can use it to refer to a set of mathematical equations, such as in the following example sentence: The professor presented the student with a series of complex formulae to solve.

✓ Grammatically correct

News & Media

Formal & Business

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Even check the formulae in your budget spreadsheet are adding up correctly.

News & Media

The Guardian

The show is broadcast weekly (and can also be downloaded afterwards) on Resonance FM, which describes itself as "the world's first radio art station, established by London Musicians' Collective...to provide a radical alternative to the universal formulae of mainstream broadcasting".

News & Media

The Guardian

As he explains his ideas to me with formulae and theorems, it still sounds a little too technical (I am someone who struggled with O-level maths).

This is a huge book, more than 700 pages long, dense with footnotes, graphs and mathematical formulae.

The deal's basic formulae will have to be converted into tariff schedules for thousands of products, controversial rules on anti-dumping must be thrashed out, and the services negotiations must catch up.

News & Media

The Economist

For morning flights to Barbados, the cognac "gondola" is stocked with bottles of Courvoisier and Hennessy; cheaper brandies take their place for afternoon flights to America and Norway.High-street formulae must be tweaked.

News & Media

The Economist

In Germany, for example, how much is being transferred from rich to poor states, and the formulae used to justify the transfers, are a matter of public record, and debate.

News & Media

The Economist

These formulae could be used to mix compounds from a palette of smells to produce a range of different odours.

News & Media

The Economist

In elementary mathematics, for example, these try to relate formulae to practical situations.

News & Media

The Economist

They are the ones who, in 1964, plucked what has come to be known (unfairly in some eyes) as the Higgs boson from formulae they were working on to fix a niggle in quantum theory.

News & Media

The Economist

The Basel 2 formulae for credit risk are based on credit ratings applied to company debt, either by rating agencies or internally by banks themselves.

News & Media

The Economist
Show more...

Expert writing Tips

Best practice

When writing about technical subjects, clarify the specific field to which the "formulae" apply, such as mathematical, chemical, or statistical contexts.

Common error

Avoid using "formulae" loosely to describe general concepts or ideas; ensure it refers to defined, structured methods or equations to maintain clarity and precision.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The primary grammatical function of "formulae" is as a plural noun. It serves to denote multiple instances of a formula, whether in a mathematical, scientific, or more general procedural context. Ludwig AI confirms its use in diverse scenarios.

Expression frequency: Very common

Frequent in

News & Media

34%

Formal & Business

33%

Science

33%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "formulae" functions as the plural form of "formula", denoting multiple mathematical, scientific, or procedural methods. As Ludwig AI confirms, its usage is grammatically correct, most commonly found in news, formal business, and scientific contexts. While "formulas" is an acceptable alternative, "formulae" retains a more formal tone. When using "formulae", ensure it specifically refers to structured methods or equations, and consider the related phrases like "mathematical formulas" or "set of equations" to refine your meaning.

FAQs

How can I use "formulae" in a sentence?

You can use "formulae" to refer to mathematical equations, chemical compositions, or any established method. For example, "The scientist developed new "formulae" to explain the phenomenon."

What's the difference between "formulae" and "formulas"?

"Formulae" is the more traditional, Latin-derived plural of "formula", while "formulas" is the Anglicized plural. Both are correct, but "formulae" is often preferred in more formal or technical contexts.

What are some alternatives to "formulae"?

Depending on the context, you can use alternatives like "equations", "methods", "recipes", or "algorithms".

In what contexts is it most appropriate to use "formulae"?

"Formulae" is particularly suitable in scientific, mathematical, or technical writing where precision and formality are valued.

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Source & Trust

89%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: