| Sqrt(z) | the square root of the expression z |
|---|---|
| Abs(z) | the absolute value of z; i.e. Abs(z)=| z | |
| Sign(z) | the sign of z; it may be 1,-1 or 0 |
| Exp(z) | the exponential of the expression z; i.e. Exp(z)=ez |
| Lim(f, z, zo) | the limit of f as z approaches zo |
| Pi | the area of a unit circle; i.e. 3.14159... |
|---|---|
| Deg | the number of radians per degree; i.e. p/180 |
| Cos(z) | the cosine of the angle z |
| Sin(z) | the sine of the angle z |
| Tan(z) | the tangent of the angle z |
| Ctn(z) | the cotangent of the angle z |
| Sec(z) | the secant of the angle z |
| Csc(z) | the cosecant of the angle z |
| Acos(z) | the principal arccosine of z measured counterclockwise from the positive x-axis |
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| Asin(z) | the principal arcsine of z measured counterclockwise from the positive x-axis |
| Atan(z) | the principal arctangent of z measured counterclockwise from the positive x-axis |
| Actn(z) | the principal arccotangent of z measured counterclockwise from the positive x-axis |
| Asec(z) | the principal arcsecant of z measured counterclockwise from the positive x-axis |
| Acsc(z) | the principal arccosecant of z measured counterclockwise from the positive x-axis |
| i | the imaginary unit, Sqrt(-1) |
|---|---|
| Re(z) | simplifies to the real part of z; i.e. Re(x+yi)=x |
| Im(z) | simplifies to the real part of z; i.e. Im(x+yi)=y |
| Conj(x) | simplifies to the complex conjugate of z; i.e. Conj(x+yi)=(x-yi) |
| Phase(z) | simplifies to the phase angle j of z measured counterclockwise from the positive x-axis |