PHP Math addition subtraction Multiplication & Division functions

Addition of two variables storing numbers.

$a=5;
$b=6;
$c=$a+$b;
echo $c;

Subtraction.

$a=8;
$b=10;
$c=$a-$b;
echo $c;

Multiplication

$a=3;
$b=14;
$c=$a*$b;
echo $c;// output 42

Division

$a=3;
$b=14;
$c=$a/$b;
echo $c; //Output  0.21428571428571

The output of division can be formatted to required decimal places

Questions

Addition:

How do you perform addition of two numbers in PHP?
What is the addition operator used in PHP?
Can you add variables of different data types in PHP using the addition operator?
How can you add a constant value to a variable in PHP?
Are there any limitations to the size or range of numbers that can be added in PHP?

Subtraction:

How do you perform subtraction of two numbers in PHP?
What is the subtraction operator used in PHP?
Can you subtract variables of different data types in PHP using the subtraction operator?
How can you subtract a constant value from a variable in PHP?
Are there any limitations to the size or range of numbers that can be subtracted in PHP?

Multiplication:

How do you perform multiplication of two numbers in PHP?
What is the multiplication operator used in PHP?
Can you multiply variables of different data types in PHP using the multiplication operator?
How can you multiply a variable by a constant value in PHP?
Are there any limitations to the size or range of numbers that can be multiplied in PHP?

Division:

How do you perform division of two numbers in PHP?
What is the division operator used in PHP?
Can you divide variables of different data types in PHP using the division operator?
How can you divide a variable by a constant value in PHP?
Are there any limitations or considerations for dividing numbers in PHP, such as handling division by zero or precision of decimal values?

Modulus : remainder of a math division
Math Functions

Subhendu Mohapatra

Author & Instructor at plus2net

I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.

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