Office Calculator Pro

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Virtual Tape

Corrections on the Tape Tape

Percentage Calculation

Tax Calculation

Annotations on the Tape

Fixed Point and Floating Point Calculation

Rounding

About this app

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 the virtual tape to make corrections.
For corrections go to the context menu of the tape line with a long press.

Percentage Calculation

The calculator has percent calculation to add or subtract percent values.
The tape will display the percentage and the resulting value.

Tax Calculation

The calculator has tax buttons (TX+, TX-) to add or sub tract tax (sales tax, VAT)
This makes it very easy to calculate tax amounts with the calculator.
The tape will display the tax rate and the resulting value.

Annotations on the Tape

You can write a comment to a tape line.

Fixed Point and Floating Point Calculation

The 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.

Rounding

The calculator supports three rounding modes: up, down or 5/4.

This is the Pro variant of Office Calculator (without ads), a Free variant with ads is also available.

Ratings and reviews

Works great on my Pixel Fold showing tape on left panel and calculator on right. Thank you! Suggestions: put "copy tape" on the 3 dot menu at top of tape. I found the ability to "copy tape" accidentally when I was editing a single value. All the YEARS I've used this calc I didn't know that was there and so MANY times I wanted to save/print a tape! Eye of the beholder I know, but the color schemes could use a few more options.

I use this app for more than 5 years now, it's the best Android calculator app for my use case. But there's a feature that I'll do love to have that is a past calculation history. Some times I do some math, close the app and I want to go back in time to get those numbers/details I put on. But the when closing the app all information is gone. I'll do love to have the possibility to check out the historical calculations. This can be simple ten past calculations with a timestamp on it.

Still great after all these years (pro user since 2014). Tape function is super useful for balancing the checkbook. Being able to adjust the size and layout of the keyboard is great. I also like that it respects my privacy by eliminating internet permissions.

What's new

Optimized memory management to reduce memory usage