iSlideRuleHD 3.1.1

Reid Performance Designs ❘ Commercial ❘
iOS

The iSlideRuleHD application represents a highly versatile digital slide rule, offering extensive configurability to support various mathematical operations including multiplication, trigonometric functions (sines, cosines, tangents, cotangents), roots, squares, logarithms, and hyperbolic functions.

With nearly 100 different scales available, iSlideRuleHD provides comprehensive support for multiple types of calculations, including those suitable for dimensional analysis. Users can choose from 15 predefined scales for the top and bottom rules and the sliding component, organized into groups of five. Double-tapping any of these rules facilitates the seamless selection of the next group of five scales. Additionally, a two-finger horizontal pan over the center slide enables viewing of either the left or right index of the slide rule body.

The application is designed to adapt to all device orientations, automatically rotating the slide rule to optimize display usage. It also offers multiple color schemes, which can be easily customized; a single-finger swipe up or down on the cursor dynamically switches between available color configurations.

Overview

iSlideRuleHD is a Commercial software in the category Education developed by Reid Performance Designs.

The latest version of iSlideRuleHD is 3.1.1, released on 06/18/2025. It was initially added to our database on 06/18/2025.

iSlideRuleHD runs on the following operating systems: iOS.

Users of iSlideRuleHD gave it a rating of 5 out of 5 stars.

Pros

User-friendly interface for archery and firearm data calculations.
Comprehensive database of ballistic data and profiles.
Customizable ballistic charts and tables.
Supports multiple measurement units (e.g., inches, millimeters, MOA, MIL).
Includes data for various caliber and arrow/arrowhead options.
Ability to save and export data for reports or further analysis.

Cons

Limited platform support; primarily available on Windows and Android, with no native iOS app.
May require a learning curve for new users unfamiliar with ballistics concepts.
Occasional software bugs or glitches reported by users.
Lack of real-time data updates or cloud synchronization features.
Potentially expensive for casual users given its professional focus.

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