Math Class Arithmetic
Method Call Returns
Math.pow(a, b) a raised to the b power (ab)
Math.exp(a) e raised to the a power (ea)
Math.floor(a) a rounded down
Math.ceil(a) a rounded up
Math.round(a) a rounded to the nearest digit
Math.max(a, b, c...) Maximum of the set a, b, c
Math.min(a, b, c...) Minimum of the set a, b, c
Math.sqrt(a) Square root of a
Math.abs(a) Absolute value of a
Math.log(a) Logarithm (base 10) of a
Math.ln(a) Natural logarithm (base e) of a
Related examples in the same category
| 1. | Math Constants | | |
| 2. | Math Class Trigonometry | | |
| 3. | Math class includes the constant Math.PI for the number, ratio of a circle's circumference to its diameter. | | |
| 4. | Finding Absolute Values | | |
| 5. | Rounding and Truncating Numbers: round(), ceiling(), and floor() | | |
| 6. | The ceil() method returns the next-highest integer value of the number passed it as an argument. | | |
| 7. | The floor()returns the next-lowest integer. | | |
| 8. | Use round(), ceiling(), and floor() to round or truncate to decimal place values. | | |
| 9. | Generating Random Numbers: The random() returns a floating-point value between 0 and 0.999999, inclusive. | | |
| 10. | Generate a random number within a range that does not start with 0 | | |
| 11. | Random integer values | | |
| 12. | If you are working with one six-sided die, you want to generate a random number between 1 and 6 each time | | |
| 13. | Finding the Greater or Lesser of Two Numbers | | |
| 14. | The calculation for finding compound interest: newValue = originalValue * (1 + rate/cp)^(cp*t) | | |
| 15. | package{ | | |
| 16. | The exp() method requires one parameter: a number. It then raises e (Math.E) to the power of that number. | | |
| 17. | atan2(), takes two parameters (an X- and a Y-coordinate), and returns the angle formed by the right triangle measured in radians: Math.atan2(x, y) | | |
| 18. | Use Math.round( ) to round a number to the nearest integer | | |
| 19. | Use Math.floor( ) to round a number down | | |
| 20. | Use Math.ceil( ) to round a number up. | | |
| 21. | To round a number to the nearest decimal place: | | |
| 22. | Use the identical math to round a number to the nearest multiple of an integer. | | |
| 23. | All trig functions operate on radians, an angular unit in which radians measure a full revolution. | | |
| 24. | Generate random number in a range | | |