sprintf( "%0.2f", my_bmi )
#!/usr/bin/env ruby BEGIN { puts "Date and time: " + Time.now.to_s } def bmi( weight, height ) 703.0*( weight.to_f/(height.to_f**2)) end my_bmi = bmi( 196, 73 ) puts "Your BMI is: " + x = sprintf( "%0.2f", my_bmi )
1. | Field types for sprintf | ||
2. | Sprintf Flags and Field Types | ||
3. | Use sprintf("%08b", num) to convert input to binary number | ||
4. | Print out time in Begin and end block |