# Adding Machine 10Key Lite — True 10Key Printing Calculator > Simulates a 10-key printing calculator with paper tape editing and export. (iPhone/iPad app by Richard Silverman.) - Source: https://appshunter.io/ios/app/adding-machine-10key-lite/id579392221 (this page in markdown: same URL + `.md`) - Developer: [Richard Silverman](https://appshunter.io/developer/297096643) - Category: Finance, Business - Price: Free - Rating: 4.32/5 from 22 App Store ratings · 5 written reviews indexed - Age rating: 4+ - Requires: iOS 9.2 · 13 MB - Languages: English, French, German, Italian, Spanish - Released: 2012-11-26 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/adding-machine-10key-lite/id579392221/reviews.md ## What is Adding Machine 10Key Lite? 'Adding Machine 10Key Lite' behaves like a true '10 Key' or 'printing calculator' such as those made by Monroe, Casio, Sharp and others. A total is obtained by pressing the asterisk (*), operator entry is reversed, and percentages are obtained by multiplying and adding to a stream of numbers. PLEASE SEE THE 1ST FAQ BELOW. Adding Machine offers multiple keypads with a total (*) key on either the left or right side (Sharp or Canon style). Also. Review & edit numbers, add or delete lines. Save & retrieve paper tape files. Export paper tape files to iBooks©, Dropbox©, Email or your favorite printing utility (see the FAQs). Free Version Description ================== This is the full version of Adding Machine 10Key iPhone, but with a reduced number of paper tape lines & some other limitations. You can find the full version by searching for 'Adding Machine 10Key iPhone' by Richard Silverman in the App Store. ==== Recent Press ===== Currently featured in iTunes "What's Hot" in the Finance Category for iPad. Strategic Finance (Tools of the Trade): "If you're looking for a professional desk calculator that can give you full 10-key accounting functions with a tape you can name and save, edit, e-mail, or print, check out Interlocken's 10 Key Adding Machine app." ================= Specifications: ================= ● Behaves the same as a '10 Key' adding machine. ● Export a PDF file to iBooks©, DropBox©, Email, or your favorite printing utility. ● Select from a menu of keypad sounds. ● 400 lines of paper tape history (full version) ● 3 display formats: fixed, fix+, float ● Save paper tapes to disk for later use. ● Correct numbers, add comments, add/delete lines ● Use your voice to dictate comments (iOS 7 and greater) ● Two keypads offer the 'total' key on the left or right (Sharp or Canon style) ● Comprehensive set of help screens. ● International number formatting (Settings -> General -> International -> Region Format -> select region). ================ FAQs Q1. What is the difference between 'Adding Machine 10Key Lite' and 'Accountant Calculator' in the App. Store.? A1. Both are single-column adding devices and both have iPad versions with full size 1:1 keyboards. '10 Key' behaves the same as a 10 Key Adding Machine with reversed operator entry while ‘Accountant Calculator’ supports the free chaining of +, -, x, /, %, √, 1/x and is easier to use if you are not familiar with how a '10-key' works. You can also reference the following link: http://www.tenkeycalculators.com/addandsubtract.html Q2. Can I touch-type? A2. Checkout the iPad version with large (1:1) keyboards and several aids for touch-typing. Q3. How can I quickly clear the paper tape? A3. The quickest way is to double-tap the calculator's large "i" action icon to the left of the calculator's LCD display. Q4. How can I edit an incorrect number or add & delete lines from the paper tape? A4. Touch any line of the paper tape to go into edit mode. Touch the side controls: Add Line, Delete Line. You can also edit numbers. Press Done to return to Calculator mode. Q5. How can I have my 'total' key be on the right side? A5. Press the checkerboard icon on the left side of the paper tape until the keypad you want is displayed. There are three to choose from. Q6. Tell me about Email, Printing, and Exporting a Paper Tape. A6. From the Export dialog, select from: Email, Print, Copy or Open-In. Email includes a pdf attachment. Print requires an AirPrint capable printer. Open-In will cause a menu of 3rd party Apps to appear that can receive a hardcopy of your paper tape; for example, iBooks, DropBox, and 3rd party printer Apps for Brother, HP, Epson, Canon and more. With these print directly to a network reachable printer (even if it is NOT AirPrint capable). ## Key features - Simulates 10-key printing calculator behavior - Reversed operator entry - Percentage calculations - Edit and delete paper tape lines - Save and retrieve paper tape files - Export paper tape to PDF - Left or right total key placement ## Recent user reviews (5 of 5) All indexed reviews: https://appshunter.io/ios/app/adding-machine-10key-lite/id579392221/reviews.md ### 5/5 — Very good calculator *2023-08-18* This is a very good calculator, especially if running lots of numbers. It is good for counting money (church offering, event entry, etc) where lots of identical values are entered. I just have to hit the “Enter” key. I agree, a single key clear as an option would be handy. ### 4/5 — Great *2018-10-01, version 6.14kb* A good app. It gets the job done simply and is intuitive to use for the most part. Wish there was a 'one tap' way to clear the tape. As it is I have have to tap several things to clear the tape and start a new one. ### 5/5 — Very practical to use *2018-07-31, version 6.14kb* This app works in a very useful way, it is always where I am and works like the one on my desk in my accounting office. ### 5/5 — Very Helpful *2018-02-27, version 5.6kb* Works great! I use this app when I need to add a string of numbers. Being able to edit any line is very helpful. ### 3/5 — Just ok *2013-11-10, version 4.4kb* Don't like the total key with the equals when the asteric us to the far left. Otherwise not bad. But will keep on looking. ## Frequently asked questions about Adding Machine 10Key Lite ### What is the difference between Adding Machine 10Key Lite and Accountant Calculator? Adding Machine 10Key Lite simulates a traditional 10-key adding machine with reversed operator entry. Accountant Calculator supports free chaining of multiple operators and is generally easier for users unfamiliar with 10-key operation. ### Can I edit incorrect numbers or add/delete lines from the paper tape in Adding Machine 10Key Lite? Yes, you can edit incorrect numbers or add and delete lines from the paper tape. Touch any line of the paper tape to enter edit mode and use the side controls to make changes. ### How can I quickly clear the paper tape in Adding Machine 10Key Lite? To quickly clear the paper tape, double-tap the calculator's large 'i' action icon located to the left of the LCD display. ### Does Adding Machine 10Key Lite support touch-typing? The iPad version of Adding Machine 10Key Lite features large (1:1) keyboards and several aids designed to assist with touch-typing for a more efficient user experience. ### How can I export paper tape files from Adding Machine 10Key Lite? You can export paper tape files as PDF documents to iBooks, Dropbox, Email, or your preferred printing utility directly from the app. ### What are the display formats available in Adding Machine 10Key Lite? Adding Machine 10Key Lite offers three display formats: fixed, fix+, and float, allowing users to choose the most suitable option for their calculations. ### How often is Adding Machine 10Key Lite updated? The last update for Adding Machine 10Key Lite was on November 10, 2018. While not frequently updated, it has maintained a strong rating of 4.3 stars from 22 ratings. ### What devices is Adding Machine 10Key Lite compatible with? Adding Machine 10Key Lite is compatible with iPhone, iPad, iPod, and Apple Watch devices, offering a versatile experience across the Apple ecosystem. ## Version history (last 1 release) ### 6.20kb — 2018-11-10 1. Errata was repaired that repeatedly asked user to 'review this App'. ## Apps similar to Adding Machine 10Key Lite | App | Rating | Price | Category | | --- | --- | --- | --- | | [CalcTape Paper Tape Calculator](https://appshunter.io/ios/app/calctape-paper-tape-calculator/id525997288) | 4.1 (111) | $2.99 | Finance | | [MileBot - Mileage Tracker Bot](https://appshunter.io/ios/app/milebot-mileage-tracker-bot/id965030234) | 4.2 (11) | Free | Finance | | [WealthPlus Net Worth](https://appshunter.io/ios/app/wealthplus-net-worth/id933534901) | 4.7 (803) | $0.99 | Finance | | [Rapid & Quick Calculator Pro](https://appshunter.io/ios/app/rapid-and-quick-calculator-pro/id1067631562) | 4.9 (200) | $3.99 | Finance | | [Account Balance Now](https://appshunter.io/ios/app/account-balance-now/id418775318) | 4.6 (85) | $3.99 | Finance | | [Debt Snowball Pro - Pay Debt](https://appshunter.io/ios/app/debt-snowball-pro-pay-debt/id309833384) | 4.3 (197) | $2.99 | Finance | ## More apps by Richard Silverman - [Calc For Coders](https://appshunter.io/ios/app/calc-for-coders/id297096640) - [Calc For Coders Lite](https://appshunter.io/ios/app/calc-for-coders-lite/id306579427) - [Paper Calc Office](https://appshunter.io/ios/app/paper-calc-office/id328576488) - [Paper Calc Office Lite](https://appshunter.io/ios/app/paper-calc-office-lite/id347713516) - [Accountant Calculator](https://appshunter.io/ios/app/accountant-calculator/id374945395) - [Adding Machine 10Key iPhone](https://appshunter.io/ios/app/adding-machine-10key-iphone/id392883834) All apps by Richard Silverman: https://appshunter.io/developer/297096643 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*