en.wikipedia.org/wiki/Operation_(mathematics)

In mathematics, an operation is a calculation from zero or more input values (
called operands) to an output value. The number of operands is the arity of the ...

www.mathgoodies.com/Lessons/vol7/order_operations.html

Order of Operations presented by Math Gooodies. Learn order of operations with
our self-paced instruction.

docs.julialang.org/en/stable/manual/mathematical-operations/

Julia provides a complete collection of basic arithmetic and bitwise operators
across all ..... These mathematical operations are defined over as broad a class
of ...

www.mathsisfun.com/definitions/operation.html

Operation. A mathematical process. The most common are add, subtract, multiply
and divide (+, −, ×, ÷). But there are many more, such as squaring, square root, ...

www.purplemath.com/modules/orderops.htm

Explains the order of operations ('PEMDAS' or 'BODMAS') in plain terms, points ...
But we can't have this kind of flexibility in mathematics; math won't work if you ...

www.thefreedictionary.com/mathematical operation

Noun, 1. mathematical operation - (mathematics) calculation by mathematical
methods; "the problems at the end of the chapter demonstrated the mathematical
...

www.eduplace.com/math/mathsteps/4/a/

But what happens when an expression requires multiple operations? Over time,
mathematicians have developed a set of rules called the order of operations to
determine which operation to do first. ... Mathematics Center | Math Steps

www.mathsteacher.com.au/year8/ch01_arithmetic/01_basic/oper.htm

Recall: The four basic mathematical operations are: Addition, subtraction,
multiplication and division. Addition. Adding two (or more) numbers means to find
their ...

www.cliffsnotes.com/study-guides/algebra/algebra-i/preliminaries-and-basic-operations/properties-of-basic-mathematical-operations

Some mathematical operations have properties that can make them easier to
work with and can actually save you time.

www.universalclass.com/articles/math/pre-algebra/the-four-basic-mathematical-operations-.htm

The four basic mathematical operations--addition, subtraction, multiplication, and
division--have application even in the most advanced mathematical theories.