|
Keys
|
Function
|
Error
|
|
|
|
|
 fLN
|
Natural log (base e)
|
x ≤ 0
|
|
fLOG
|
Common log (base 10)
|
x ≤ 0
|
|
f
|
Square root
|
x < 0
|
|
f-1SIN
|
Arc sine
|
|x| > 1
|
|
f-1COS
|
Arc cosine
|
|x| > 1
|
|
|
|
Add
|
|
degrees, minutes, seconds
|
|
|
|
Subtract
|
|
|
|x| or |y| or |y ± x| > 99999.59599 D.MS
|
|
|
Convert angle expressed decimally to/from degrees, minutes, seconds
|
|x| > 99999.99999 degrees of equivalent in radians or grads
|
|
f OCT
|
Decimal to octal
|
x is noninteger or |x| > 107374182310 = 77777777778
|
|
f-1 OCT
|
Octal to decimal
|
x is noninteger or |x| > (12222222221)8 = 99999999998 = 138052520210
|
|
g1/x
|
Reciprocal
|
x = 0
|
|
gyX
|
Exponential
|
y ≤ 0
|
|
gn!
|
Factorial
|
x is noninteger or x ≤ 0
|
|
÷
|
Divide
|
x = 0
|
|
|
Magnetic card read
|
Blank card; bit or word dropped during reading
|
|
|
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|
