Digital Slide Rule

Oct 30, 2017

Older Versions of Digital Slide Rule

If you are experiencing issues with the latest version of Digital Slide Rule due to bugs or incompatibility with your device, downloading an older version can be a practical solution before the app developer fixes the problem. APKPure offers all of the older versions of Digital Slide Rule that are compatible with various devices and Android systems. Download rollbacks of Digital Slide Rule for Android. All downloads from APKPure are free from viruses and provide a fast, secure way to get the app version history you need.

All Versions of Digital Slide Rule

4.06.06(4006006)APK
Oct 30, 201744.2 MBAndroid 2.3.2+
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What's new in the version 4.06.06
Updated on Oct 30, 2017
Faster setup time after program is loaded (as much as 50% faster); streamlined internal processing (especially of Cylindrical Slide Rule); corrected "Display Estimated Hairline Values" for several of the alternate scales.
3.30.06(3030006)APK
Aug 30, 201744.1 MBAndroid 2.3.2+
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What's new in the version 3.30.06
Updated on Aug 30, 2017
Items can be enlarged separately for faster response times. A rotating fine adjust button added (hold finger over slide or hairline for a few seconds to use). Several add'l old slide rules added, including a circa 1962 Nuclear Bomb Effects Computer. Digital 10-loop spiral added. Many minor enhancements, mostly for speed improvements. Uses occasional interstitials instead of banners, except for the first few minutes when small banners for our other programs are shown.
2.56.72(2056072)APK
May 15, 201733.6 MBAndroid 2.3.2+
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What's new in the version 2.56.72
Updated on May 15, 2017
Allowed straight slide rule upper & lower hairlines & slides to be moved separately (use lock/unlock button on right lower slide to toggle lockstep).
Made sure tapping background of slide show makes a "lost" image reappear.
Made sure tapping settings gear brings up settings box without significant delay.
Added display of hairline values when values display active & slide(s) are moved (not just when hairline is moved).
Fixed display size of horse animation.
2.24.08(2024008)APK
Apr 26, 201733.6 MBAndroid 2.3.2+
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What's new in the version 2.24.08
Updated on Apr 26, 2017
Added 9 new scales designed by Istvan Szalkai
Minimum frame rate now 0.01 for Android devices. Shortened time before going to minimum frame rate to save battery power.
Improved alignments of nibs at alignment points. Improved alignment of colorized nibs.
All descending scales now colored red.
Animated many scales in opening screen and in slide rule slide show.
Added buttons to rotate scales in slide show.
Added more environment info to setting box, added gear in upper right now brings box up.
1.74.14(1074014)APK
Oct 30, 201630.0 MBAndroid 4.0+
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What's new in the version 1.74.14
Updated on Oct 30, 2016
A limited slide rule with only the A, B, C, D and CI scales has been added, along with a screen of instructions for how to do some basic mathematical equations (multiply, divide, square and square root).
Also, in response to a user comment, the program no longer checks for "root" (contrary to the user's comment, the program never "asked for root," it only inquired whether the device was rooted, but didn't do anything different in any case).
1.72.10(1072010)APK
May 23, 201629.3 MBAndroid 2.3.2+
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What's new in the version 1.72.10
Updated on May 23, 2016
New certificate used for increased security.

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