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What Does A Plus Sign Mean?


: a sign + denoting addition or a positive quantity.

What does +/- mean in medicine?

The plus–minus sign, ±, is a mathematical symbol with multiple meanings. The sign may also represent an inclusive range of values that a reading might have. In medicine, it means ” with or without”.

Why is the medical sign a cross?

In 1864, the first Geneva Convention, detailing the requirements for such relief organizations, was adopted by the US, Brazil, Mexico, and all of Europe. These organizations and their personnel needed to be easily identifiable, so a red cross on a white background was designated as the medical symbol to be used.

Who invented plus and minus signs?

Robert Recorde, the designer of the equals sign, introduced plus and minus to Britain in 1557 in The Whetstone of Witte: “There be other 2 signes in often use of which the first is made thus + and betokeneth more: the other is thus made – and betokeneth lesse.”

What are common medical terms?

Top 25 medical terms to know

  • Benign: Not cancerous.
  • Malignant: Cancerous.
  • Anti-inflammatory: Reduces swelling, pain, and soreness (such as ibuprofen or naproxen)
  • Body Mass Index (BMI): Body fat measurement based on height and weight.
  • Biopsy: A tissue sample for testing purposes.
  • Hypotension: Low blood pressure.

What does R mean in medical terms?

R (symbol): This much-used symbol has many meanings in medicine. They include: Respiration: a nurse’s note of “R20” is shorthand for 20 respirations (breaths) per minute. Right: A doctor’s note of a burn on the “R digit 5” places the burn on the right little finger or toe.


What is the meaning of OD and BD in medical terms?

OD. Daily. BD. Twice a day. TDS (or TD or TID)

What is the true medical symbol?

The true and authentic symbol of Medicine is not the Caduceus but the Rod of Asclepius [1]. The Rod of Asclepius is a single serpent entwined rod wielded by the Greek God of healing and Medicine, Asclepius [2].

What is the universal sign for health?

A symmetrical red cross on a white background has come to be one of the most universally understood symbols of medical assistance.

Can doctors use plus sign?

Hospitals and doctors are often associated with a symbol. This symbol is of a red cross of a plus sign which is used by almost every doctor and medical care professional.

What is minus Plus is equal to?

Addition and Subtraction Two ‘pluses’ make a plus, two ‘ minuses ‘ make a plus. A plus and a minus make a minus.

What is the V looking thing in math?

The Math Symbols from the Question about Union and Intersection. The “V” symbols in the reader’s question are ∨ and ∧, which mean “ Logical Or” and “Logical And.” The ∧ is a capital Greek Lambda. The small ^ or “caret” is available on most keyboards as “shift-6”; it symbolizes the exponentiation function.

What does plus or minus mean in statistics?

(mathematics) The symbol ±, meaning “plus or minus”, used to indicate the precision of an approximation (as in “The result is 10 ± 0.3”, meaning the result is somewhere between 10 – 0.3, that is, 9.7, and 10 + 0.3, that is, 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and

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