Chapter

Generalized Rounding

From ComputerScienceOne by Dr Chris Bourke

Concepts

1. How do optional and default function parameters work in PHP?

   "7 8 //apr will be 0.05, terms will be 60 9 $x = getMonthlyPayment(10000); 10 print $x.\n\n\\\"; //188.71 11 12 //balance will be null (0), apr will be 0.05, terms will be 60 13 $x = getMonthlyPayment

2. How can functions be assigned to variables and used as callbacks in PHP?

   "40.1.6. Function Pointers Functions are just pieces of code that reside somewhere in memory just as variables do. Since we can pass variables by reference, it also makes sense that we would do the sa

3. How is generalized rounding introduced in PHP?

   "40.2. Examples 40.2.1. Generalized Rounding Recall that the standard math library provides a round() function that rounds a number to the nearest whole number. We’ve had need to round to cents as wel