A minus sign is the sign placed between two numbers to indicate that the second number is subtracted from the first. It is also placed in front of a number to indicate that the number is less than zero.
What is the minus sign?
The minus sign − has three main uses in mathematics: The subtraction operator: a binary operator indicating the operation of subtraction, as in 5 − 3 = 2. Subtraction is the inverse of addition.
What does the +_ symbol mean?
(Mathematics) The symbol ±, meaning plus or minus, is used to indicate the accuracy of an approximation (as in The result is 10 ± 0.3, meaning the result is somewhere within the inclusive range of 9.7 to 10.3), or as a convenient abbreviation for a quantity with two possible values of opposite sign and identical magnitude…
What does the subtraction sign mean?
: a mathematical symbol used to indicate that a given quantity is to be subtracted from another to which it is connected by the symbol : a symbolic representation of the relationship subtract and reduce — symbol −
What does a minus sign in front of a number mean?
The minus sign is used to represent negative integers, integers less than zero (no fractions). To represent a negative integer, add a negative sign in front of an integer.
What are the three meanings of the minus sign in algebra?
The minus sign has three main uses in mathematics: The subtraction operator: A binary operator to indicate the operation of subtraction, as in 5−3=2. Subtraction is the inverse of addition. Immediately before a number and unless it’s a subtraction operator, it means a negative number.
How do you write a minus sign?
Click where you want to insert the character, select Insert from the drop-down menu, and then:
- To insert a hyphen (–), click the first character (the shortest hyphen) .
- To insert a hyphen (—), click the second character (the longest hyphen).
- To insert a minus sign (−), click the − between ± and × .
What’s the use _ ?
The underscore _ is also used to ignore certain values. If you don’t need the specific values or the values are not used, just assign the values to the underscore. 5
What does _ mean when texting?
_ is an emoticon that has multiple meanings including annoyed, bored, and tired.
What is the plus sign?
The notation a ≤ b or a ⩽ b means that a is less than or equal to b (or equivalently at most b or no greater than b). The notation a ≥ b or a ⩾ b means that a is greater than or equal to b (or equivalently at least b or not less than b).
What is that no more than a sign?
When we say as much or no more than, we mean less than or equal to, meaning a can be less than b or equal to b. But when we say at least, we mean greater than or equal to.