# traverse and process

adding some processing to the traverse of an array
pre-standard algorithm
omit need for updating variable for result
nested IF within loop
pre-search: display matched items
use comparators to identify large, small values
use updating variable with n5: running total

# Data lists

## Text

### names

produce initials, initial + surname, surname first, full name, username, email address
Phone numbers
convert format: international, remove -, use ()

### post codes

extract outer code and inner code, use length

### NATO alphabet

display character and word
convert car reg plate to NATO alphabet

convert letters to characters, casting

### elements - single letter names

display symbol and element name

## Integer

Primes (<100)
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
choose a prime at random

### costs

(pence, convert to £ and pence using modulo)

### triathlon

calculate total seconds, display as hours, minutes, seconds
swim (seconds)
bike (seconds)
run (seconds)

## Real values

### Note frequencies (Hz)

for a given note, its frequency is half that of the note 1 octave higher

### square roots (0-39)

exploring rounding, int and double type, casting

### Character

' ', '!', '"', '#', '\$', '%', '&', ''', '(', ')', '*', '+', ',', '-', '.', '/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', '@'

'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'

'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
casting, int, char and String