Line Machine app for iPhone and iPad


4.5 ( 4925 ratings )
Utilities Education
Developer: Alan Greenstein
Free
Current version: 1.1.1, last update: 7 years ago
First release : 09 Jan 2013
App size: 1.85 Mb

Line Machine will tell you everything you need to know about a linear equation or set of two points. Describe a line in any form you like and Line Machine will do all the necessary calculations to show you your line’s characteristics. You can instantly calculate slope, y intercept, and more.

FREE DOWNLOAD:
✪ Converts to and from points and all common forms of linear equations
✪ Calculates slope and intercepts from two points or any common equation form
✪ Works Instantly
✪ High Precision

PRO (99¢ In-App Purchase):
✪ Graphs equations
✪ Simplifies equations
✪ Graph can be zoomed and panned
✪ Graph automatically shows both axes and intercepts
✪ Guaranteed access to all features that may be added to this version of Line Machine in the future.

DETAILS:
✪ Type in any one of these forms...
• Two Points → (x₁, y₁) (x₂, y₂)
• Slope - Intercept Equation → y = mx + b
• Standard Form Equation → Ax + By = C
• Point - Slope Equation → y - y₁ = m(x - x₁)

✪ ...and Line Machine will calculate...
• Slope
• Y - Intercept
• X - Intercept
• Slope - Intercept Equation → y = mx + b
• Standard Form Equation → Ax + By = C
• Point - Slope Equation → y - y₁ = m(x - x₁)

✪ Custom equation keyboard for easy typing
✪ Copy any result for use in text documents, emails, and other apps
✪ Paste in an equation or points from other apps