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Mathematical Functions

  • Introduction
  • Predefined Constants
  • RoundingMode — The RoundingMode Enum
  • Math Functions
    • abs — Absolute value
    • acos — Arc cosine
    • acosh — Inverse hyperbolic cosine
    • asin — Arc sine
    • asinh — Inverse hyperbolic sine
    • atan — Arc tangent
    • atan2 — Arc tangent of two variables
    • atanh — Inverse hyperbolic tangent
    • base_convert — Convert a number between arbitrary bases
    • bindec — Binary to decimal
    • ceil — Round fractions up
    • cos — Cosine
    • cosh — Hyperbolic cosine
    • decbin — Decimal to binary
    • dechex — Decimal to hexadecimal
    • decoct — Decimal to octal
    • deg2rad — Converts the number in degrees to the radian equivalent
    • exp — Calculates the exponent of e
    • expm1 — Returns exp($num) - 1, computed in a way that is accurate even when the value of number is close to zero
    • fdiv — Divides two numbers, according to IEEE 754
    • floor — Round fractions down
    • fmod — Returns the floating point remainder (modulo) of the division of the arguments
    • fpow — Raise one number to the power of another, according to IEEE 754
    • hexdec — Hexadecimal to decimal
    • hypot — Calculate the length of the hypotenuse of a right-angle triangle
    • intdiv — Integer division
    • is_finite — Checks whether a float is finite
    • is_infinite — Checks whether a float is infinite
    • is_nan — Checks whether a float is NAN
    • log — Natural logarithm
    • log10 — Base-10 logarithm
    • log1p — Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero
    • max — Find highest value
    • min — Find lowest value
    • octdec — Octal to decimal
    • pi — Get value of pi
    • pow — Exponential expression
    • rad2deg — Converts the radian number to the equivalent number in degrees
    • round — Rounds a float
    • sin — Sine
    • sinh — Hyperbolic sine
    • sqrt — Square root
    • tan — Tangent
    • tanh — Hyperbolic tangent
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