CalBook: Tape Calculator

By Derick Tsang on AppTrack Ninja.

Adding Machine for Receipts

CalBook is a paper tape calculator for the numbers you need to keep. Every entry stays on the tape, so you can see exactly how you got to the total, go back, and fix a typo without punching everything in again. Built for adding up receipts, invoices, expenses and anything else that used to live on an adding machine roll. AN EDITABLE TAPE - Every line stays visible with its result - Tap any line to change it; the total updates instantly - Carry a line's result forward into a new calculation - Duplicate, delete, or copy any line or its result A SHEET FOR EVERY JOB - Keep separate sheets for eac…

Categories: Productivity, Utilities

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