HP 39g+, Руководство пользователя

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11-14 Using mathematical functions
FNROOT
Function root-finder (like the Solve aplet). Finds the value
for the given
variable at which expression most nearly
evaluates to zero. Uses guess as initial estimate.
FNROOT
( expression, variable, guess )
Example
FNROOT(M*9.8/600-1,M,1)
returns
61.2244897959
.
FRAC
Fractional part.
FRAC
( value )
Example
FRAC (23.2)
returns
.2
HMS
→
Hours-minutes-seconds to decimal. Converts a number or
expression in
H.MMSSs format (time or angle that can
include fractions of a second) to
x.x
format (number of
hours or degrees with a decimal fraction).
HMS
→
( H.MMSSs )
Example
HMS
→
(
8.30)
returns
8.5
→
HMS
Decimal to hours-minutes-seconds. Converts a number or
expression in
x.x
format (number of hours or degrees
with a decimal fraction) to H.MMSSs format (time or
angle up to fractions of a second).
→
HMS
(
x.x
)
Example
→
HMS(8.5)
returns
8.3
INT
Integer part.
INT
( value )
Example
INT(23.2)
returns
23
MANT
Mantissa (significant digits) of value .
MANT
( value )
Example
MANT(21.2E34)
returns
2.12