Home >Common Problem >What are the float operators?
float operators include addition, subtraction, multiplication, division, remainder, auto-increment, auto-decrement, compound assignment, comparison, logic and other operators. Detailed introduction: 1. Addition operator ( ), used to add two float type values and return their sum; 2. Subtraction operator (-), used to subtract one float type value from another float Type values return their difference; 3. Multiplication operator (*), used to multiply two float type values and return their product; 4. Division operator (/) and so on.
Operating system for this tutorial: Windows 10 system, Dell G3 computer.
float is a data type used to represent floating point numbers in programming. A floating point number is a numerical value with a decimal part. In computers, float type variables can perform various operations. The following are some common uses of float operators:
1. Addition operator ( ): used to add two float type values and return their sum.
For example: float a = 2.5;
float b = 1.3;
float c = a b; // The value of c is 3.8
2. Subtraction operator (-): used to subtract a float type value from another float type value and return their difference.
For example: float a = 5.7;
float b = 2.1;
float c = a - b; // The value of c is 3.6
3. Multiplication operator (*): used to multiply two float type values and return their product.
For example: float a = 2.5;
float b = 1.5;
float c = a * b; // The value of c is 3.75
4. Division operator (/): used to divide a float type value by another float type value and return their quotient.
For example: float a = 6.0;
float b = 2.0;
float c = a / b; // The value of c is 3.0
5. Remainder operator (%): used to find the remainder of the division of two float type values.
For example: float a = 5.5;
float b = 2.0;
float c = a % b; // The value of c is 1.5
6. Increment operator ( ): used to increase the value of a float type variable by 1.
For example: float a = 2.5;
a ; // The value of a becomes 3.5
7. Decrement operator (--): used to change a The value of a float type variable is decreased by 1.
For example: float a = 2.5;
a--; // The value of a becomes 1.5
In addition to the above basic operators, the float type also supports some other Special operators, such as:
- Compound assignment operators (=, -=, *=, /=): used to operate a float type variable with another value and assign the result to this variable.
- Comparison operators (==, !=, <, >, <=, >=): used to compare the size relationship between two float type values and return a Boolean value ( true or false).
- Logical operators (&&, ||, !): used to perform logical operations on two or more Boolean expressions and return a Boolean value.
To summarize, float type variables can perform various numerical operations using operators such as addition, subtraction, multiplication, division, remainder, auto-increment, and auto-decrement. These operators can help us perform precise calculations and processing of floating point numbers in programming.
The above is the detailed content of What are the float operators?. For more information, please follow other related articles on the PHP Chinese website!