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Basic Arithmetic operation

Operation	Operator	Phrases	Example
Addition	+	PLUS, AND, WITH, ADD	1 + 24, 1 plus 3 plus 5
Subtraction	-	MINUS, SUBTRACT, WITHOUT	0.234 - 3.14, 23 without 10
Multiplication	*	TIMES, MULTIPLIEDBY, MUL	1234 * 100, 6665.01 MUL 001
Division	/	DIVIDE, DIVIDEBY	(1+23)/(0.01)
Power	^	POW	2 ^ 2 ^ 2 pow 23
Modulus	mod		134 mod 13
Percentage	of		25% of 1024, 10 of 234

Operator precedence rule in Fcal

Operators	Meaning	Association
()	Parentheses
log()	Function call
34 cm , 45 cm	Unit suffix
^	Exponent	right to left
+x, -x, !x	Unary	right to left
as, in	Unit or number system conversion
*, / , mod, of	Multiplication, division, modulus and percentage	left to right
+, -	Addition and subtraction	left to right
<, >, <=, >=, <==, >==	Camparison	left to right
==, !=, ===, !==	Equality	left to right
=	Assignment	right to left

Percentage operation

For general percentage operations like adding or subtracting the per cent of value, you can do 12 + 24%, 1230 - 23.23%

Variables

You can declare variables using = or : operator, you can also reassign them

please note that you can't use variable names which are being used for phrases in operations and units

radius : 20cm
PI*radius^2

Constants

Variable name	Value
E	2.718281828459045235360287
PI	3.141592653589793238462645
PI2	6.2831853071795864769

You can use the default functions

abs(-23) + log(123)

Units

you can convert one unit into another. Fcal will automatically convert units to perform operations if it's needed during conversion.

23day in sec
100min + 34sec + 1day + 10% of 100 day

you can find supported units here Units

Number System

You can convert one number system into another

0.34 km in octal # 0o0.25605075341217270244 Kilometer
0b1011 + 0xac

<<<<<<< HEAD you can find supported units here Units

Scales

You use scales in the number literal

45 B