Arithmetic operators perform operations on numbers and text. They can be used in variable definitions, conditions, and actions.
Operator |
Description |
Example |
|---|
- <number> |
Makes a number negative. |
if
there is more than one error
then
set 'status code' to - the number of errors; |
<number> + <number> |
Adds a number to another number. |
if
there is at least one additional driver
then
set the rental cost of the car to the base rental cost of the car + 100; |
<number> - <number> |
Subtracts a number from another number. |
if
the number of 'items purchased' - the number of 'items returned' is more than 0
then... |
<number> / <number> |
Divides a number by another number.
If both numbers are integers, the result is also an integer (the result of the division without the remainder.) |
if
there is at least one order
then
set the average order quantity to the number of items ordered / the number of orders; |
<number> * <number> |
Multiplies a number by another number. |
if
the price of the item * 'sales tax' is more than 100
then... |
<text> + <text> |
Concatenates two strings. |
definitions
set 'full name' to 'first name' + ' ' + 'last name' |
<number> + <text> |
Concatenates a number and a string. The result is treated as a string. |
if
the order total is less than 'discount threshold'
then
display the message: "Spend just $" + ('discount threshold' - order total) + " more to receive a 10% discount!"; |
<text> + <number> |
Concatenates a string and a number. The result is treated as a string. |
if
the order total is more than 'discount threshold'
then
apply a 10% discount;
display the message: "You received a 10% discount because your order was over $" + 'discount threshold' ; |