How to type an equation
Type the way you write in a notebook. You don't need a multiplication sign (2x, 3sin x), and both a decimal point and a decimal comma work. Click an example to add it.
line
parabola
sin, cos, tan, cot
absolute value
square root, also cbrt(x)
log (base 10), ln, exp, 2^x
logarithm with a base: log_3(x), log_(1/2) x
circle, other curves
vertical line
x as a function of y
Constants: π (or pi) and e. Inverse functions: arcsin, arccos, arctan.