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Trigonometric - FREE

by Pritron, Version: 1.16 , 215 KB  

Package name: net.pritron.android.trigonometric , Last Update: 2013-02-03 03:37:56


128 ratings (4.133 average)

10,000-50,000 downloads


Description

Simple interactive program to learn Trigonometry.

ver 1.7 bugs fixed (fixed the crash & other bugs) & added Pythagorean Theorem.

ver 1.8 added Law of Sines

ver 1.9 added Distant in a Circle

ver 1.11 a) added Law of Cosines
b) minor bug fixed.
c) added Positive/Negative sign to Radians & Degrees

ver 1.12 a) Law of Cosines - wrong label
b) Law of Sines - rework and enhance with degree>90
c) Trigonometry Definition - enhance description for Law of Sines.

ver 1.13 a) Relabel for Pythagoream Theorem, Law of Cosines, Distant in a circle & Common Height.
b) Law of Tangents
c) Bugfix
d) New Icon

ver 1.14 a) Law of Cosines - added samples to find length of side
b) Law of Tangents - enhance with different value
c) Law of Sines - Circum Circle - Relationship of Law of Sines in a Circle

ver 1.15 a) Inverse Function - convert ratio to degrees

ver 1.16 a) Mollwide's Formula - verify your calculation
b) Triangle Area
c) Trigonometry Identities - more to come!

Last comments from Android Market

Marten (****)
Value of (0,-1) is located at top of circle? Kind of a major error

Dave (**)
Um... counter-clockwise produces a positive θ/degree growth. You have it backwards. You may want to fix that huge error...

andrew (*****)
This app is amazing it makes my freshman year easy and helps me understand trigonometry concepts

True (***)
Sorta odd that the circle is top side down. And I wish it could do rad as fractions of pi.

Brian (*****)
Great job.

jeremy (****)
Would be 5* if value of circle could be changed from 1 to any number

Johnny (*****)
Fantastic app!! Easy to use and looks great.

Dan (***)
Would be nice to be able to enter an angle, including decimal values and ° ' ". Occasionally force closes. Droid X.

mark (*)
Got a little better. Now can do anything under one inch. Can you add trackball support to move the sliders trying to hit .3574 with your finger is imp

selkin (****)
Would be nice to be able to adjust diameter of the circle

Trigonometric screenshot 1 Trigonometric screenshot 2

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