Adding Machine 10Key for iPad Downloads & RevenueAdding Machine 10Key for iPad · App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperRichard Silverman
CategoryFinance
Price2.99 USD
Released
Rating★ 4.8 (77)
Version7.10kPad
Age rating4+
First seen by us
23 Oct 2026
Adding Machine 10Key for iPad update history & changes
Last change · 3 events since 3 Feb 2011Full timeline ↓Full timeline · 2 events in the last 12 months
- 🆕Adding Machine 10Key for iPad first spotted by AppInsiderUnited States (found via developer)
- 🆕Adding Machine 10Key for iPad released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.8 ★
77 ratings
Measured
Adding Machine 10Key for iPad on the App Store
App details
App ID
415227051
Publisher
Richard Silverman
On the store since
Feb 2011
15 years on the store
Minimum OS
iOS 12.4+
Devices
iPad
Content rating
4+
Languages
5
EN FR DE IT ES
Size
23 MB
Also listed in
Business
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.8 ★
77 ratings
Measured
Ratings
77
Measured
About Adding Machine 10Key for iPad
'Adding Machine 10Key for iPad’ behaves like a true '10 Key' or 'adding machine' like those made by Monroe, Casio, Sharp and others. Press asterisk (*) for a total, operator entry is reversed, and calculate percentages by multiplying and adding to a stream of numbers. SEE THE 1ST FAQ BELOW.
The iPad version features a full sized (1:1) keypad with TypeTone, a unique audio aid to help guide your finger back to the center of a key. The total (*) key can be 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©, or your favorite printing utility (see the FAQs).
==== Recent Press =====
Has been featured in iTunes "What's Hot" in the Finance Category.
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 for iPad."
=================
Specifications:
=================
. Behaves the same as a '10 Key' adding machine.
. Export a PDF file to iBooks©, DropBox©, Email, and print with your favorite printing utility.
. Use Apple AirPrint© to print directly.
. TypeTone - a major innovation to aid accurate key entry using audio feedback (iPad version).
. Full size (1:1) keyboard.
. Select from a menu of keypad sounds.
. 400 lines of paper tape history.
. 3 display formats: fixed, fix+, float
. Save paper tapes to disk for later use.
. Correct numbers, add comments, add/delete lines
. Two keypads offer the 'total' key on the left or right (Sharp or Canon style)
. Comprehensive set of help screens.
. 3 Orientations: Landscape Left/Right + Portrait
================
FAQ's
Q1. What is the difference between 'Adding Machine 10Key for iPad, and 'Accountant Calc' in the App. Store.?
A1. Both calculators are single-column adding machines or calculators with full-size (1:1) keypads and are optimized for the iPad User Interface. '10 Key' behaves the same as a 10 Key Adding Machine with reversed operator entry while ‘Accountant Calc’ supports free chaining of +, -, x, /, %, √, 1/x. It is easier to use if you are not familiar with how a '10-key' works.
Q2. Can I touch-type?
A2. The iPad version comes as close to touch-typing as a touch-screen can be. With ‘TypeTone’, a key will guide your finger back to the center of a key with an audio tone.
Q3. How can I edit an incorrect number or add & delete lines from the paper tape?
A3. Touch any line of the paper tape for edit mode. Touch the side controls: Add Line, Delete Line. You can also edit numbers, split Add/Sub or Mul/Div groups. Press Done to return to Calculator mode.
Q4. Tell me about Email, Printing, and Exporting a Paper Tape.
A4. Email includes a pdf attachment. Print requires an AirPrint capable printer. Open-In will cause a menu of 3rd party Apps to appear. Once exported, print directly to a ne
The iPad version features a full sized (1:1) keypad with TypeTone, a unique audio aid to help guide your finger back to the center of a key. The total (*) key can be 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©, or your favorite printing utility (see the FAQs).
==== Recent Press =====
Has been featured in iTunes "What's Hot" in the Finance Category.
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 for iPad."
=================
Specifications:
=================
. Behaves the same as a '10 Key' adding machine.
. Export a PDF file to iBooks©, DropBox©, Email, and print with your favorite printing utility.
. Use Apple AirPrint© to print directly.
. TypeTone - a major innovation to aid accurate key entry using audio feedback (iPad version).
. Full size (1:1) keyboard.
. Select from a menu of keypad sounds.
. 400 lines of paper tape history.
. 3 display formats: fixed, fix+, float
. Save paper tapes to disk for later use.
. Correct numbers, add comments, add/delete lines
. Two keypads offer the 'total' key on the left or right (Sharp or Canon style)
. Comprehensive set of help screens.
. 3 Orientations: Landscape Left/Right + Portrait
================
FAQ's
Q1. What is the difference between 'Adding Machine 10Key for iPad, and 'Accountant Calc' in the App. Store.?
A1. Both calculators are single-column adding machines or calculators with full-size (1:1) keypads and are optimized for the iPad User Interface. '10 Key' behaves the same as a 10 Key Adding Machine with reversed operator entry while ‘Accountant Calc’ supports free chaining of +, -, x, /, %, √, 1/x. It is easier to use if you are not familiar with how a '10-key' works.
Q2. Can I touch-type?
A2. The iPad version comes as close to touch-typing as a touch-screen can be. With ‘TypeTone’, a key will guide your finger back to the center of a key with an audio tone.
Q3. How can I edit an incorrect number or add & delete lines from the paper tape?
A3. Touch any line of the paper tape for edit mode. Touch the side controls: Add Line, Delete Line. You can also edit numbers, split Add/Sub or Mul/Div groups. Press Done to return to Calculator mode.
Q4. Tell me about Email, Printing, and Exporting a Paper Tape.
A4. Email includes a pdf attachment. Print requires an AirPrint capable printer. Open-In will cause a menu of 3rd party Apps to appear. Once exported, print directly to a ne
Latest updates
7.10kPad
v7.10
====
1. Support for iOS 12.4 and newer.