Element - øA - Letter to Number

Characters: ø, A

Description

Convert a letter to a number, or vice versa (1-indexed)

Overloads

• str - number_to_letter(a)
• num - letter_to_number(a)

Examples

• `a` øA = 1
• `b` øA = 2
• `c` øA = 3
• 4 øA = `d`
• ⟨3|4⟩ øA = ⟨`c`|`d`⟩
• `xyz` øA = ⟨24|25|26⟩
• `` øA = ⟨⟩
• `A` øA = 1
• `Z` øA = 26