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 E, 52
ex (natural antilogarithm), 45–46
Editing a program, 57–60
EEX (enter exponent), 23–24
Enabling stack lift, 26
ENTER (copy x to y), 7, 26
Equals, test, 63
Errors
as indicated by blinking display, 21–22
common, 95–96
computational, 79–81
in data entry, 6
Exchange x and y, 31
Exponent entry, 23–24
Exponential function (yx), 45, 47
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f, f-1 (upshift, direct and inverse prefixes), 7–8
Factorial, 45, 47
Fixed display, setting, 19–20
Flags, setting and testing, 63, 59
Flashing zero, errors leading to, 22
Fraction part of a number, 42–43
Frequency, operating limits, 87–88
Functions, 35–47. See also Inverse functions.
absolute value, 42–44
angular mode, 36
cosine, 37, 39
decimal angle to degrees, minutes, seconds, 37–38
decimal to octal, 42–43
degrees, minutes, seconds, add, 37, 39
exponential (yx), 45, 47
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