Office calculator with a virtual tape, fixed point or floating point calculator, various rounding modes and percent calculation.This is a calculator optimized for office tasks.* Calculator with virtual tapeYou can switch between calculator view and and tape view to have a full screen view of the tape.The tape of the calculator can have up to 1000 lines.* Calculator support corrections on the tapeYou can change values on the virtual tape to make corrections.* Calculator allows annotations on the tapeYou can write a comment to a tape line.* Calculator with fixed point arithmetic or floating point.Fixed point arithmetic has 20 digits and 0 – 4 decimal places.The floating point arithmetic has 64 bits (IEEE double precision).By default, the calculator works with fixed point arithmetic and 2 decimal places as needed for most calculations with amounts.* Calculator supports three rounding modes: up, down or 5/4.* Calculator has percent calculation to add or subtract percent values.This makes it very easy to calculate tax amounts with the calculator.* Calculator support operator precedence (multiplication/division over addition/subtraction) and displays interim results (optional)This is the ad-sponsored variant of Office Calculator, a Pro variant of Office Calculator without ads is also available.