Office Calculator is a calculator with a virtual tape. It supports commercial rounding, easy percentage calculation and does correct tax calculation. Install it on your device and you get the optimal calculator for office tasks. Virtual Tape You can switch between calculator view and and tape view to have a full screen view of the tape. Just tap on the tape icon to switch between views. The tape of the calculator can have up to 1000 lines. Corrections on the Tape Tape You can change values on