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13-14 Using mathematical functions

Examples

CEILING(3.2) returns 4

CEILING(-3.2) returns -3

DEG→RAD Degrees to radians. Converts value from Degrees angle

format to Radians angle format.

DEG→RAD(value)

Example

DEG→RAD(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

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

HP 39gs English.book Page 14 Wednesday, December 7, 2005 11:24 PM

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