CASTI-89 TITANIUM · CALC89
log(
Returns the common logarithm of a value, or the logarithm to a given base.
Syntax
log(value[, base])
- Group
- Number functions
- Arguments
- Takes the value and an optional base, which defaults to 10.
- Availability
- Included
Example
| Input | Result |
|---|---|
| log(1000) | 3 |
Typing log(1000) on the home screen and pressing ENTER returns 3.
Keystrokes on the TI-89 Titanium
◆LOG
The same key sequence inserts log( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- max(Returns the larger of two values, or the largest element of a list.
- min(Returns the smaller of two values, or the smallest element of a list.
- mod(Returns a modulo b, the remainder of the division with the sign of b.
- real(Returns the real part of a complex number.
- remain(Returns the remainder of a divided by b, with the sign of a.
- root(Returns the n-th root of a value, for example the cube root for n=3.
- round(Rounds a value to a given number of decimal places.
- sign(Returns the sign of a value: 1 for positive and −1 for negative numbers.