Virtual tape calculator, fixed / floating point arithmetic, percent calculation.

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 tape

You 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 tape

You can change values on the virtual tape to make corrections.

* Calculator allows annotations on the tape

You 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.

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