Number

An integer number.

A Number is an integer such as 42 or -42. More precisely, a Number is a signed 32-bit integer (two’s complement).

Declare a number variable

You can assign a number to a variable:

let num = 42;
basic.showNumber(42);

Arithmetic operators

The following arithmetic operators work on numbers and return a Number:

Relational operators

The following relational operators work on numbers and return a Boolean:

Show number

The show number function displays a number on the LED screen. For example, this code displays the number 42:

basic.showNumber(42);

Functions that return a number

Some functions return a number, which you can store in a variable. For example the following code gets the display brightness (using the brightness function) and stores the value in a variable named brightness:

let brightness = led.brightness()

Math functions

The math library includes math related functions. For example, the absolute function returns the returns the absolute value of input parameter x:

let abs = Math.abs(-42);
basic.showNumber(abs);

See also

math, var, Boolean, show number

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