CASCALC89 COMMAND · NOT ON THE TI-89
dilog(
Returns the dilogarithm of a value; dilog(1) is π^2/6.
Syntax
dilog(expr)
- Group
- Special functions
- Arguments
- Takes one value or expression.
- Availability
- Included
- Origin
- TI-Nspire CAS style command; the TI-89 Titanium handheld does not have it
Example
| Input | Result |
|---|---|
| dilog(1) | π2/6 |
Typing dilog(1) on the home screen and pressing ENTER returns π2/6.
Related commands
- Ei(Returns the exponential integral of a value.
- erf(Returns the error function of a value, which is closely related to the normal distribution.
- erfc(Returns the complementary error function, 1 minus erf of the value.
- erfi(Returns the imaginary error function of a value.
- fresnelC(Returns the Fresnel cosine integral of a value.
- fresnelS(Returns the Fresnel sine integral of a value.
- gamma(Returns the gamma function of a value; for a positive integer n, gamma(n) equals (n−1)!.
- gammaInc(Returns the incomplete gamma function of a and x.