Please have a seat. / Please sit down.

Please wait

(honorific) to give / (honorific) to do something for me/us

下さる: to give

(mathematics) formula

a machine used for performing calculations; a calculator / computer

calculating

spreadsheet - manual calculation of digits in the grids / (computing) spreadsheet - automatic calculation of digits in the grids by using computer.

statement of account

(mathematics) determinant