Supported syntax

x	The graphing variable
+ - * / ^	Add, subtract, multiply, divide, power
2x, 3(x+1), x(x-1)	Implicit multiplication is understood
sin(x) cos(x) tan(x)	Trigonometric functions, in radians
sqrt(x)	Square root
ln(x)	Natural logarithm
log(x)	Base-10 logarithm
pi, e	The constants π and e

Examples

sin(x)	Sine wave
x^2/10 - 3	Upward parabola
x(x-1)(x+2)/10	Cubic curve
1/x	Hyperbola with an asymptote at x = 0