Casio fx-991ZA PLUS II - Page 95

0,707106781230 15
press after the argument to close the parentheses may cause
unwanted values or expressions to be included as part of the argument.
Example: (sin 30) + 15 (Angle Unit: Deg)
Older (S-V.P.A.M.) Model: 30 15 15,5
Natural Textbook Display Model:
(LineIO) 30 15 15,5
Failure to press here as shown below will result in calculation of sin
45.
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