Reference Guide
Full Command and Function Reference 3-21
Access: !À ( Àis the left-shift of the Ukey).
Flags: Principal Solution (–1), Numerical Results (–3), Angle Mode (–17, –18)
Input/Output:
Level 1/Argument 1 Level 1/Item 1
z
→
atan z
'symb'
→
'ATAN(symb)'
See also: ACOS, ASIN, ISOL, TAN
ATAN2S
Type: Command
Description: Transforms an expression by replacing atan(x) subexpressions with the following:
x
x
2
1+
------------------
asin
Access: Trigonometry, …Ñ
Input: An expression.
Output: The transformed expression.
Flags: Exact mode must be set (flag –105 clear).
Numeric mode must not be set (flag –3 clear).
Radians mode must be set (flag –17 set).
See also: ASIN2C, ACOS2S, ASIN2T