**3 - Basic data types**

- 3.01 - char
- 3.02 - Triangle
- 3.03 - Password as string
- 3.04 - Password, 5 attempts
- 3.05 - Calculator - if
- 3.06 - Calculator - switch
- 3.07 - Double
- 3.08 - Calculate values of a function
- 3.09 - Display a function
- 3.10 - Float, speed units
- 3.11 - Sphere, float
- 3.12 - Vowel - switch
- 3.13 - Vowel - if
- 3.14 - Triangle, NorthEast
- 3.15 - Prime factors
- 3.16 - If, symbols
- 3.17 - Char + for
- 3.18 - Double, approximation of Pi
- 3.19 - Perimeter, area, diagonal
- 3.20 - Hexadecimal and binary
- 3.21 - Hexadecimal table
- 3.22 - Binary
- 3.23 - Conditional and boolean
- 3.24 - Exceptions