fx-82MS fx-82TL fx-9860GII TI-83
log
On a Casio calculator you can calculate common logarithms of base 10
log■
.gif){kind=small}
Example 1
To calculate log (1) = 0
log 1
0.log■ 1 =
because 100 = 1.
Example 2
To calculate log (1000) = 3
log 1000
3.log■ 1 0 0 0 =
because 103 = 1000.
Example 3
To calculate log (27.83) = 1.4445…
log 27.83
1.444513206log■ 2 7 · 8 3 =
because 101.4444513206 = 27.83.
Example 4
To calculate log (0.1) = −1
log 0.1
-1.log■ 0 · 1 =
Example 5
To calculate log3 (9) = 2
log 9÷log 3
2.log 9 ÷ log■ 3 =
Details
The functions log and 10x are on the same key. That is so because these functions have to do with the number 10.