Built-In Functions and Syntax › Logarithm

Logarithm

The logarithm functions return the common (base 10) or natural (base E) logarithm of a numeric value.

Syntax:

►►─┬─ LOG10 ───────┬─ (value) ────────────────────────────────────────────────►◄
   ├─ @LOG ────────┤
   ├─ COMLOG ──────┤
   ├─ LOGCOM ──────┤
   └─ LOG-BASE-10 ─┘

►►─┬─ LOGE ───────┬─ (value) ─────────────────────────────────────────────────►◄
   ├─ @LN ────────┤
   ├─ NATLOG ─────┤
   ├─ LOGNAT ─────┤
   └─ LOG-BASE-E ─┘

Invocation names:

@LOG          @LN
LOG10         LOGE
COMLOG        NATLOG
LOGCOM        LOGNAT
LOG-BASE-10   LOG-BASE-E

Parameters:

(value)

Specifies the numeric value whose logarithm is calculated. Value must be greater than zero.