(Internet slang, humorous) I don't know why, but I can't convert it [this hiragana] into kanji [using my IME]

(grammar) a sentence / writing / an essay or composition / a writing style

a male given name

(formal, literary, poetic) why ... ?, how ... ?

(literary) Alternative form of なぜ (naze)

conversion, change / (mathematics, genetics) transformation / (computing) conversion

convert, change / (mathematics, genetics) transform / (computing) convert

(elementary mathematics) word problem

affine transformation

(mathematical analysis) Fourier transform