Halcyon Calc
Halcyon Calc Lite
Poll
What feature do you want in Halcyon Calc v4.1
Stats plotting
15%
Implement the FORM operation
31%
Built-in catalog of operations
8%
Built-in catalog of units
8%
Printing support
0%
iCloud support for user variables
23%
Other (add a comment)
15%
Total votes: 13
LOG
Argument Types:
Real
Complex
Symbol
Expression
Result Type(s):
Real
Complex
Expression
Invertible:
Yes
Valid In Expression:
Yes
Stack Diagram:
| Real1 | → | Real2 |
| Real1 | → | Complex2 |
| Complex1 | → | Complex2 |
| Symbol1 | → | Expression2 |
| Expression1 | → | Expression2 |
This operation calculates the base 10 logarithm of its input argument. If the argument is 0, an infinite result error is produced. For positive real numbers, the result is a real but for negative real numbers, the result is complex.