一冊[issatsu] one copy (e.g. book)
冊子[sasshi] book
冊子[soushi] written work (esp. a bound text, as opposed to a scroll)
冊数[sassuu] number of books
冊立[sakuritsu] imperial investiture

数冊[suusatsu] several volumes (books)
短冊[tanzaku] long, narrow card on which Japanese poems are written (vertically)
分冊[bunsatsu] separate volume
別冊[bessatsu] separate volume

アラビア数字[arabiasuuji] Arabic numeral
サンプリング周波数[sanpuringushuuhasuu] sampling frequency
シグモイド関数[shigumoidokansuu] sigmoid function
スカッシング関数[sukasshingukansuu] squashing function
ステップ関数[suteppukansuu] step function

ブーリアン関数[buuriankansuu] Boolean function
圧倒的多数[attoutekitasuu] overwhelming numbers
異数[isuu] unusual
員数[inzuu] numbers of members (things, people)