# Weekly Giveaway Puzzle : TI89 MATH APP

WEEKLY GIVEAWAY PUZZLE to win a FREE TI 89 MATH APP OF YOUR CHOICE!! Ahead of a big celebration, a king receives a delivery of 1,000 bottles of beer. But there is a slight problem: one of the bottles has been poisoned. The bad beer is indistinguishable in every way, except that it causes food… (read more)

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Forgot to mention our favorite: PINTEREST  !!!! pin  our  boards at  https://www.pinterest.com/ti89/

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Seeing is believing!! Click on the icons :   Step-by-Step Solutions on your TI89 in Math & Science & Finance.

# 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.

# show steps on the ti nspire cas

While the TI Nspire is colorful and has lots of great features it does not provide Step-by-Step solutions like the TI89 does using STEP-BY-STEP Apps for Math & Science & Business such as Calculus Made Easy, Statistics Made Easy etc (for a full listing of 20+ step-by-step apps check here www.ti89.com) In the future ,… (read more)

# Win free TI89 Made Easy APPS

NEW on ti89.com: Follow us on Twitter, Meet us on Google+, Facebook, LinkedIn, Pin us Pinterest Our Blog is at blog.ti89.com , you can CHAT with us any time , and call for advise if you wish. Get social with us, more updates will be coming soon. In the mean time, check on the top… (read more)

# Solving 2nd order non-homogeneous Differential Equations step-by-step

Q: How can i solve the Differential Equations shown in images? A: There are different ways to solve the two 2nd order Differential Equations using Differential Equations Made Easy. First , to view the solution to #1 , select F2 3 (Non Homogeneous) and enter b=-8 c=17 g(x) = 34x+1 as the right side of… (read more)

# Linear Algebra Made Easy UPDATE: Solve a system of equations in matrix format with parameter solution

We just updated Linear Algebra Made Easy : It can now step-by-step Solve a system of equations given in matrix format with parameter solution. A wonderful description of the 3 different types of solutions ( (in)dependent or inconsistent ) can be found at https://people.richland.edu/james/lecture/m116/matrices/matrices.html Only dependent solutions yield parameter solutions. Linear Algebra Made Easy will… (read more)

# Linear Algebra Made Easy UPDATE: Solve a system of equations in matrix format with parameter solution

We just updated Linear Algebra Made Easy : > It can now step-by-step Solve a system of equations given in matrix > format with parameter solution. > > A wonderful description of the 3 different types of solutions ( > (in)dependent or inconsistent ) can be found at > https://people.richland.edu/james/lecture/m116/matrices/matrices.html > > Only dependent solutions… (read more)