Smart Slide Rule

Digital Slide Rule Simulator!

Smart Slide Rule - Digital Calculator App

"Smart Slide Rule" is an Android app that simulates a traditional slide rule, featuring A, B, C, CI, D, S, L, T, and K scales for various calculations. Learn to perform multiplication, division, exponentiation, and more with detailed instructions. This digital version mirrors a real slide rule and offers an engaging way to explore mathematical concepts. Note that accuracy is limited by the device screen's pixel precision, but the app provides a fun learning experience in logarithmic calculations.

App stats

By: TAPO
Users: 1,010
4
Version: 2.1.1 (Last updated: 2022-11-12)
Creation date: 2021-11-06
Price: 0.99
Permissions
Other: full network access

Other platforms

Not available on Chrome
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App summary

  • An app simulating a slide rule!

    Smart Slide Rule reproduces a slide rule (slipstick) with A, B, C, CI, D, S, L, T, and K scales.
    A slide rule is a mechanical analog calculating tool that uses the principle of logarithms.
    The slide rule appears as an important prop in the movies "Apollo 13" and "The Wind Rises".
    This application reproduces a slide rule on the screen of your device.
    The front side of the slide strip corresponds to the B, C, and CI scales, and the back side corresponds to the S, L, and T scales.
    You can move the slide strip and the cursor.

    With instructions on how to use the slide rule! *

    The slide rule uses a logarithmic scale to calculate multiplication, division, exponentiation, square root, and trigonometric and logarithmic functions.
    This application features an explanation of how to use the slide rule, so you can learn how to calculate.
    Since the calculation is performed in pixels of the device screen, the accuracy of the calculation cannot be guaranteed.

User reviews

Not bad. I like the idea of including a digital readout of various scales. I wish there are more scales though: CF, DF, and the log-log scales.
by Edmund Hon, 2024-10-20

The young always-online generation needs a good digital emulation of an old-fashioned carry-it-anywhere analogue calculator. Sorry to say that, without much more attention, this app isn't it. Apart from the controllability issues on this (quite up-to-date in NW Europe) smartphone, the trig scales seem odd (e.g. S-scale angles appear to correspond to values on the A-scale, rather than on the D-scale). For now, I'll be sticking to my good old-fashioned (circa 1973) physical slip-stick.
by Colin Davies, 2023-10-11

I do like this app and it is quite fun to have someone ask for a calculator and you hand them your phone with this app open. I only gave it four stars, because it is missing some of the cooler scales (folded) that would be so easy to implement. Can we please add several of these features? For instance, one of the coolest slide rules I've ever seen was the Pickett 909. Maybe a feature that showed allows you to pick different ones could be easily adapted into this app.
by Michael Kitko, 2023-06-05
View all user reviews

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