Small Steps I — Creating with Text and Numbers
Storing values with fractional parts
Store a running time of 12.5 in a variable named seconds and print it.
What you will learn
Lengths and times may need fractional parts. double is a type for these numbers. Choose int for whole-number counts and double for values that need a fractional part.
Try it
Example · example.cpp
void small_main()
{
double height = 1.45;
print(height);
}
A variable's type is chosen when it is created. Assigning a fractional number to an int later does not turn it into a double variable.
double cannot store every number with unlimited precision, but for now we will start with simple lengths and times.
Expected output:
1.45
Exercise
Store a running time of 12.5 in a variable named seconds and print it.
Exercise starter · exercise_starter.cpp
void small_main()
{
double height = 1.45;
print(height);
}
Hint
Change the parts of the example that you need.
show solution
void small_main()
{
double seconds = 12.5;
print(seconds);
}