Scales HD vs Custom Formulas Usage & Stats

Scales HD (Now for iPhone 6 Plus, iPhone 6, iPhone 5, iPhone 5s, iPhone 5c and iPod Touch 5G) The Best Architectural and Engineering Scale Ruler App on iTunes! • Architectural US Scales: 1" = 1', 3/4" = 1', 1/2" = 1', 3/8" = 1', 1/4" = 1', 1/8" = 1' 3" = 1', 1 1/2 = 1', 3/16" = 1', 3/32" = 1', 1/16" = 1', 1/32" = 1' • Engineering US Scales: 1" = 1', 1" = 10', 1" = 20', 1" = 30' 1" = 40', 1" = 50', 1" = 60', 1" = 100' • Metric SI Scales: 1:100, 1:50, 1:20, 1:10, 1:5, 1:2.5 1:1000, 1:5000, 1:250, 1:200, 1:125, 1:75 • Tools: Boards (SI - US) Tape (SI - US) Spirit Level (With Custom Angle Calibration) • Options: Flip Scales Lock Scroll ability Iphone edge or screen reference distance for zero value Inverse color for Engineering Scales, Boards and Tape Measure Spirit Level Lock movement and angle Calibration for zero value • Extras: Music / iPod Library control (Previous / Next / Play / Pause) without leaving Scales HD App

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Custom Formulas

This app is easy to use, but unlike simpler apps, multiple entered values can be fed into multiple formulas and multiple output values can be displayed. The output of one formula in a group can be fed into the next by using the same variable name. Related formulas can be grouped into categories to make them easy to find. e.g. Maths formulas, Surveying formulas, Loan interest formulas etc. The order of variables displayed to the user can be changed, as can the number of decimal digits of precision shown in the output fields. You can easily share formulas with other users of the app by emailing them. Three example formulas are pre-installed with the app. In order of increasing complexity they are: slope percentage, compound interest, and point scale factor.