# How to solve Green’s Theorem on the Ti89

How do I solve belows Greens Theorem problem using Calculus Made Easy on the TI89 ? F ยท dr. C F(x, y) = y โ cos y, x sin y , C is the circle (x โ 6)2 + (y + 2)2 = 16 oriented clockwise ANSWER: Please do this: select F6 Vector Calculus ,… (read more)

# TI89 Update Thermodynamics Formulas

Just added Solutions to Maxwell Equations to the TI89’s Thermodynamics Made Easy app. Isometric, Adiabatic Expansions, etc

# TI89 UPDATE : Relation Analyzer added

Just added Relation Analyzer that finds In / Out Degree , Domain, Range to 3 apps : Discrete , Finite and Operations Research made Easy

# New TI89 APPS Giveaway Puzzle at blog.ti89.com

Make 40 using 1,5,1,32 . Use +,-,*, / as needed. ๐

# Trigonalisation on the TI89 step by step

Trigonalisation can be done step by step on the TI89 using the LInear Algebra Made Easy at http://www.ti89.com/?a=LAME For further information and examples: https://fr.wikipedia.org/wiki/Trigonalisation#Exemples_de_trigonalisation

# User comment (M.B.): Just want to thank you for the fabulous programs for Statistics

Stats made easy made my stats class a breeze. I got all answers correct thanks to the stats program. I love the program and will try to impress on others that the money is worth every penny when you can get an A in the class. I got a 93% in my Stats class. Thank… (read more)

# How to compute curl on the ti89

Q: How do you use the vector module in Calculus made Easy to find the curl? A: in Calculus Made easy select vector calculus under F6. Then select curl under F1 5 Enter a 3d vector function such as [x,x^4*y,x*y*z] Select Cartesian coordinates as you are using those. Press Enter to curl. Easy.