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| Name |
pow() |
| Examples |
float a = pow( 1, 3); // Sets 'a' to 1*1*1 = 1
float b = pow( 3, 5); // Sets 'b' to 3*3*3*3*3 = 243
float c = pow( 3,-5); // Sets 'c' to 1 / 3*3*3*3*3 = 1 / 243 = .0041
float d = pow(-3, 5); // Sets 'd' to -3*-3*-3*-3*-3 = -243
|
|---|
| Description |
Facilitates exponential expressions. The pow() function is an efficient way of multiplying numbers by themselves (or their reciprocals) in large quantities. For example, pow(3, 5) is equivalent to the expression 3*3*3*3*3 and pow(3, -5) is equivalent to 1 / 3*3*3*3*3.
|
| Syntax | pow(n, e) |
|---|
| Parameters |
| n |
float: base of the exponential expression |
| e |
float: power by which to raise the base |
|
| Returns | float |
|---|
| Related | sqrt()
|
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Updated on May 19, 2014 05:29:59pm PDT
