Operators and expressions

and, or, not, between, in, if-then-else.

AlgoBarsX

in_band = rsi(close, 14) between 40 and 60
morning = hour in 8..11
bias = if close > ema(close, 200) then 1 else -1
power = 2 ** 3
calm = not (atr(14) > atr(14)[10])
first_hour = time_of_day between 08:00 and 09:00

Operator	Meaning
`+ - * / % **`	Arithmetic. `` is power and groups from the right, so `2 3 ** 2` is 512.
`== != < <= > >=`	Comparison.
`and or not`	Logic, in words.
`x between a and b`	True when `x` is inside the range.
`x in 8..11`	True when `x` is in a range or a list.
`if c then a else b`	Chooses a value inside an expression.
`2% of account.balance`	Turns a percent into an amount.
`+= -= *= /=`	Update a `state` value in place.

Time variables available everywhere: hour, minute, day_of_week and time_of_day.