HP Prime Graphing Calculator - Manual (Page 312)

308 Functions and commands
h Natural logarithm. Also accepts complex numbers.
LN(value)
Example:
LN(1) returns 0
Sh ( e
x ) Natural exponential. Also accepts complex numbers.
e value
Example:
e 5 returns 148.413159103
i Common logarithm. Also accepts complex numbers.
LOG(value)
Example:
LOG(100) returns 2
Si (10 x ) Common exponential (antilogarithm). Also accepts complex
numbers.
1
10
value
Example:
1
10
3
returns 1000
efg Sine, cosine, tangent. Inputs and outputs depend on the
current angle format: degrees or radians.
SIN(value)
COS(value)
TAN(value)
Example:
TAN(45) returns 1 (degrees mode)
Se ( ASIN ) Arc sine: sin –1 x. Output range is from –90° to 90° or –/2
to /2. Inputs and outputs depend on the current angle
format. Also accepts complex numbers.
ASIN(value)
Example:
ASIN(1) returns 90 (degrees mode)