HP 40gs Bedienungsanleitung Seite 168

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13-14 Using mathematical functions
UTPT Upper-Tail Student’s t-Probability given degrees of
freedom, evaluated at value. Returns the probability that
the Student's t- random variable is greater than value.
UTPT(degrees, value)
Real-number functions
Some real-number functions can also take complex
arguments.
CEILING Smallest integer greater than or equal to value.
CEILING(value)
Examples
CEILING(3.2) returns 4
CEILING(-3.2) returns -3
DEGRAD Degrees to radians. Converts value from Degrees angle
format to Radians angle format.
DEGRAD(value)
Example
DEGRAD(180) returns 3.14159265359, the
value of π.
FLOOR Greatest integer less than or equal to value.
FLOOR(value)
Example
FLOOR(-3.2) returns -4
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
hp40g+.book Page 14 Friday, December 9, 2005 1:03 AM
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