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| Format | Discription |
|---|---|
| abs(x) | Absolute Value |
| acos(x) | Arc cosine |
| acosh(x) | Inverse hyperbolic cosine |
| asin(x) | Arc sine |
| asinh(x) | Inverse hyperbolic sine |
| atan(x) | Arc tangent |
| atanh(x) | Inverse hyperbolic tangent |
| base_convert( number, frombase, tobase) | Convert a number between arbitrary bases |
| bindec(x) | Binary to decimal |
| ceil(x) | Ceiling (rounds up) |
| cos(x) | Cosine |
| cosh(x) | Hyperbolic cosine |
| decbin(x) | Decimal to binary |
| dechex(x) | Decimal to hexadecimal |
| decoct(x) | Decimal to octal |
| deg2rad(x) | Degrees to radians |
| exp(x) | Exponent ( e to the x power) |
| exp1(x) | Returns exp(number) - 1 |
| floor(x) | Floor (rounds down) |
| fmod(x,y) | Modulo |
| hexdec(x) | Hexadecimal to decimal |
| hypot(x,y) | Hypotenuse |
| log(x) | Natural logarithm |
| log1p(x) | Returns log(1 + number) |
| log10(x) | Base 10 logarithm |
| max( x, y, z ... ) | Find highest value |
| min( x, y, z, ...) | Find lowest value |
| octdec(x) | Octal to decimal |
| pi() | Pi |
| pow( x, y) | Power x^y |
| rad2deg(x) | Radians to degrees |
| rand( min, max) | Random number between min and max |
| round( number, places) | Rounds to a spacified number of places |
| sin(x) | Sine |
| sinh(x) | Hyperbolic sine |
| sqrt(x) | Square root |
| tan(x) | Tangent |
| tanh(x) | Hyperbolic tangent |
If you are using this calculator for the first time, you may be wondering where the buttons for numbers and basic math operators are. The answer is ... You don't need them. Instead, you enter an equation into the text area. For example, suppose you want to convert 70º Fahrenheit to Celsius, You know, or look up and find that C=(F-32) x 5/9. What you would enter into this calculator is (70-32)*5/9
The equation must be valid. Division by zero will cause an error. Using your Return key in the input textarea will cause an error. Entering a semicolon or other punctuation mark that is not a math operator will cause an error. The letter x is not a math operator. Use * (Shift-8) to multiply.
To use trigonometric, scientific and other functions, you can click the appropriate button or enter it yourself following the formats in the table above. Trigonometric functions expect radians so if you are using degrees, you need to use deg2rad() to convert them to radians.
2+23*5sqrt(9)sin(deg2rad(45))pi()*pow(5,2)(4/3)*pi()*pow(5,3)hexdec(ff)
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