Math functions Flashcards by Medved Pedobir

Q

abs()

A

return absolute value

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Q

exp()

A

calculate exponent of e

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Q

fmod()

A

returns the floating point remainder (modulo) of the division

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Q

log10()

A

base-10 logarithm

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Q

log()

A

natural logarithm

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Q

max()

A

find highest value

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Q

min()

A

find lowest value

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Q

pi()

A

get value of pi

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Q

pow(base, exp)

A

exponential expression

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Q

sqrt()

A

square root

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Q

is_finite()

A

check finite value

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Q

is_infinite()

A

check infinite value

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Q

is_nan()

A

check not a number

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Q

base_convert()

A

convert number between bases

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Q

decbin()

A

convert to binary

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Q

bindec()

A

convert to decimal

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Q

dechex()

A

convert to hexadec

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Q

hexdec()

A

convert to decimal

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Q

decoct()

A

convert to octal

Q

octdec()

A

convert to decimal

Q

deg2rad()

A

convert to radian

Q

rad2deg()

A

convert to degree

Q

getrandmax()

A

show largest possible random value

Q

mt_getrandmax()

A

show largest possible random value

Q

rand()

A

generate a random integer

Q

mt_rand()

A

generate a random integer

Q

srand()

A

seed the random generator

Q

mt_srand()

A

seed the random generator

Q

lcg_value()

A

returns a pseudo random number in the range of (0, 1)

Q

ceil()

A

round fractions up

Q

floor()

A

round fractions down

Q

round()

A

round a float

Q

sin()

A

sine

Q

sinh()

A

hyperbolic sine

Q

asin()

A

arc sine

Q

asinh()

A

inv. hyperbolic sine

Q

cos()

A

cosine

Q

cosh()

A

hyperbolic cosine

Q

acos()

A

arc cosine

Q

acosh()

A

inv. hyperbolic cosine

Q

tan()

A

tangent

Q

tanh()

A

hyperbolic tangent

Q

atan()

A

arc tangent

Q

atanh()

A

inv. hyperbolic tangent

Q

atan2()

A

arc tangent of 2 var

Q

hypot()

A

calculate hypotenuse