Expression plotter functions
The following are supported in the expression plotter.
Functions
| Function | Description |
|---|---|
| + | plus |
| - | minus |
| * | multiply |
| / | divide |
| ^ | exponent (to the power of) |
| % | modulus |
| atan(x) | trigonometric inverse tangent (in radians) |
| abs(x) | absolute value of x |
| cos(x) | trigonometric cosine (in radians) |
| exp(x) | e raised to the power of x |
| imag(x) | imaginary component of a complex value |
| log(x) | logarithm (base 10) |
| ln(x) | natural logarithm (base e) |
| real(x) | real component of a complex value |
| sgn(x) |
sign of x, that is, 1 (if x > 0) 0 (if x = 0) -1 (if x < 0) |
| sin(x) | trigonometric sine (in radians) |
| sqrt(x) | square root of x |
| tan(x) | trigonometric tangent (in radians) |
Constants
| Contant | Description |
|---|---|
| boltz | Boltzman's constant |
| c | speed of light in vacuum |
| e | natural logarithm base |
| echarge | fundamental charge |
| i | square root of -1 |
| kelvin | absolute zero |
| pi | pi |
| planck | Planck's constant |
