PHP Maths Functions
From w3cyberlearnings
| # | Function | Example | Description |
|---|---|---|---|
| 1 | abs | abs(-8.4) | Absolute value |
| 2 | acos | acos(-8) | Arc cosine |
| 3 | acosh | acosh(x) | Inverse hyperbolic cosine |
| 4 | asin | asin(x) | Arc sine |
| 5 | asinh | asinh(x) | Inverse hyperbolic sine |
| 6 | atan2 | atan2(y,x) | Arc tangent of two variables |
| 7 | atan | atan(x) | Arc tangent |
| 8 | atanh | atanh(x) | Inverse hyperbolic tangent |
| 9 | base_convert | base_convert(number,from_base,to_base) | Convert a number between arbitrary bases |
| 10 | bindec | bindec(binary_number) | Binary to decimal |
| 11 | ceil | ceil(x) | Round fractions up |
| 12 | cos | cos(x) | Cosine |
| 13 | cosh | cosh(x) | Hyperbolic cosine |
| 14 | decbin | decbin(dec_number) | Decimal to binary |
| 15 | dechex | dechex(dec_number) | Decimal to hexadecimal |
| 16 | decoct | decoct(dec_number) | Decimal to octal |
| 17 | deg2rad | deg2rad(degree_number) | Converts the number in degrees to the radian equivalent |
| 18 | exp | exp(x) | Calculates the exponent of e |
| 19 | expm1 | expm1(x) | Returns exp(number) - 1, computed in a way that is accurate even when the value of number is close to zero |
| 20 | floor | floor(x) | Round fractions down |
| 21 | fmod | fmod(x,y) | Returns the floating point remainder (modulo) of the division of the arguments |
| 22 | getrandmax | getrandmax() | Show largest possible random value |
| 23 | hexdec | hexdec(hex_number) | Hexadecimal to decimal |
| 24 | hypot | hypot(x,y) | Calculate the length of the hypotenuse of a right-angle triangle |
| 25 | is_finite | is_finite(x) | Finds whether a value is a legal finite number |
| 26 | is_infinite | is_infinite(x) | Finds whether a value is infinite |
| 27 | is_nan | is_nan(x) | Finds whether a value is not a number |
| 28 | lcg_value | lcg_value() | Combined linear congruential generator |
| 29 | log10 | log10(x) | Base-10 logarithm |
| 30 | log1p | log1p(x) | Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero |
| 31 | log | log(x,base) | Natural logarithm |
| 32 | max | max(x,y) | Find highest value |
| 33 | min | min(x,y) | Find lowest value |
| 34 | mt_getrandmax | mt_getrandmax() | Show largest possible random value |
| 35 | mt_rand | mt_rand(min,max) | Generate a better random value |
| 36 | mt_srand | mt_srand(seed) | Seed the better random number generator |
| 37 | octdec | octdec(oct_number) | Octal to decimal |
| 38 | pi | pi() | Get value of pi |
| 39 | pow | pow(x,y) | Exponential expression |
| 40 | rad2deg | rad2deg(radian_number) | Converts the radian number to the equivalent number in degrees |
| 41 | rand | rand(min,max) | Generate a random integer |
| 42 | round | round(x,prec) | Rounds a float |
| 43 | sin | sin(x) | Sine |
| 44 | sinh | sinh(x) | Hyperbolic sine |
| 45 | sqrt | sqrt(x) | Square root |
| 46 | srand | srand(seed) | Seed the random number generator |
| 47 | tan | tan(x) | Tangent |
| 48 | tanh | tanh(x) | Hyperbolic tangent |
