CASCALC89 COMMAND · NOT ON THE TI-89
▶logbase(
Rewrites logarithms in an expression in terms of logarithms to a given base.
Syntax
Expr▶logbase(base)
- Group
- Conversions
- Arguments
- Placed after the expression, with the base in the parentheses.
- Origin
- TI-Nspire CAS style command; the TI-89 Titanium handheld does not have it
Example
| Input | Result |
|---|---|
| ln(x)▶logbase(2) | ln(2)·log(x,2) |
Typing ln(x)▶logbase(2) on the home screen and pressing ENTER returns ln(2)·log(x,2).
Related commands
- ▶PolarDisplays a vector or complex number in polar form, with length and angle.
- ▶RadConverts an angle to radians.
- ▶RectDisplays a vector or complex number in rectangular form.
- ▶sinRewrites an expression in terms of sine, for example cos(x)^2 as 1−sin(x)^2.
- ▶SphereDisplays a three element vector in spherical form, with length and two angles.
- ▶approxFraction(Converts a decimal value into a fraction that approximates it within a tolerance.
- ▶cosRewrites an expression in terms of cosine, for example sin(x)^2 as 1−cos(x)^2.
- ▶CylindDisplays a three element vector in cylindrical form, with radius, angle and height.