HP 49G Pocket Manual page 34

Name
ENG Sets the number display format to engineering mode.
EPSX0 Replaces with zero those coefficients in a polynomial that
have an absolute value less than the variable EPS.
EQW Opens Equation Writer, where you can edit an expression.
EQ→ Separates an equation into its left and right sides.
Erases PICT , leaving a blank PICT of the same
ERASE
dimensions.
ERR0 Clears the last error number (and message) so that a
subsequent execution of ERRN returns # 0h.
ERRM Returns a string containing the error message of the most
recent calculator error.
ERRN Returns the error number of the most recent calculator
error.
EULER Returns the number of integers less than a specified
integer that are co-prime with the integer.*
EVAL Evaluates the object.
EXLR Returns the left- and right-hand sides of an equation as
discrete expressions.
EXP Returns the exponential, or natural antilogarithm, of the
argument; that is, e raised to the given power.*
Description
N
Access Inputs
N
N
N
TYPE
<N
ERROR
<N
ERROR
<N
ERROR
<N
INTEGER
<!
N
>ù
<Q
* = function
Outputs
n →
' → ' symb
' symb
'
1
2
→ exp
exp
1
2
' → ' symb
' symb =symb
' ' symb '
1 2
1 2
→ " error message "
→ #n
error
→ z
z
1
2
obj →
' → ' symb
' symb
' ' symb '
1
2 3
z → e z