HP 10413 Datasheet download pdf (Page 252)

252

ROUND(num,dec.pts)

This function rounds off a supplied number to

the specified number of decimal places (d.p.).

Eg. Round 66.65 to 1 d.p.

Use: ROUND(66.65,1)=66.7

Round 34.56784 to 2 d.p.

Use: ROUND(34.56784,2)=34.57

This function is also capable of rounding off to

a specified number of significant figures (s.f.).

To do this, simply put a negative sign on the

second argument.

Round 32345 to the nearest thousand.

Use: ROUND(32345,-2) = 32000

Round 3405.63475 to 6 s.f.

Use: ROUND(3405.63475,-6) = 3405.63

See also: INT, FLOOR, CEILING, TRUNCATE, FRAC

SIGN(num)

Another function designed more for

programmers, returning a value of +1, 0 or -1

depending on whether the number supplied is

positive, zero or negative.

Eg. SIGN(-45) = -1

See also: XPON, MANT

Note: See also SIGN in the Complex

group of functions (page 263).

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