# How do I do Implicit Differentiation ? And Tangent Lines?

Dear Joe 1) To do Implicit Differentiation , go to 3 Derivatives , then go to Implicit Differentation. Now enter your equation : important is to use * whenever multiplying x and y. So write 3*x*y instead of 3xy . Altogether: x^2 + 3*x*y +y^2 = 11 and below find its derivative. 2) To find… (read more)

## July 7, 2016

This is the number 1 source to download TI-Nspire games: http://www.ticalc.org/pub/nspire/lua/games/ Our favorite TI-Nspire games are 2048, chess, tetris, minecraft and snake. If you learn about the famous Candy Crush game for the TI-Nspire send us an email! That site also has planty of  TI-Nspire apps and games to download .

# TiNspire : Tips , Tricks and cheat sheets

Here is a convenient place to view TI-Nspire Tips , Tricks and Cheat Sheets : https://www.pinterest.com/ti89/ti-nspire-tips/ There, you will also find Tips and Tricks for the TI84 calculator.

# Step by Step Discrete & Finite Math app for the Ti-Nspire CAS CX

Overview and Examples at https://youtu.be/8jdUbPRnijs The most comprehensive Discrete Math APP for calculators. Step by Step…… Linear Programming Marginal Analysis, Demand Analysis Markoff Chains Simplex Algorithm Probabilities Combinatorics Functions Vector and Matrices Solve Equations Logic with Set Theory, Truth Tables Easy to use. Just plug in the equation and the correct answer shows.

# Step by Step Conics app for the Ti-Nspire CAS CX

Overview and Examples at https://youtu.be/vjNtaCp5GL0 The most comprehensive Conic sections APP for calculators. Easy to use. Just plug in the conic equation or their coefficients and the correct conic with ALL its properties shows. Of course Step by Step.

# Step by Step Linear Algebra app for the Ti-Nspire CAS CX

Overview and Examples : https://youtu.be/uqIRhvqqVDE Perform 30+ Matrix Computations such as A+B, A-B, k*A, A*B, B*A, A-1, det(A), Eigenvalues, LU and QR – Factorization, Norm, Trace. Step by Step – Simplex Algorithm. Step by Step – Gaussian Elimination. Step by Step – Find Inverse Step by Step – Find Determinant Step by Step – Row… (read more)

# Step by Step Business Calculus app for the Ti-Nspire CAS CX

Business Calculus contains the same modules as Calculus Made Easy and also contains stepwise solutions to Business Calculus topics such as maximum revenue/profit, marginal analysis, demand analysis, supply analysis, economic order quantity, price elasticity, consumer surplus, and more.   Watch Biz Calculus homework done on the TINspire at https://youtu.be/xarSqb-K2kc

# Step by Step Trigonometry app for the Ti-Nspire CX available now

Watch this Youtube Video at https://youtu.be/nvvWKzVBgfA STEP BY STEP – Solve any 90oand non 90o Triangle.Just enter 2 sides and an angle, 3 sides or 1 side and 2 angles to view each step until triangle is solved. This app is intelligent enough to automatically apply the Law of Sine or the Law of Cosine… (read more)

# Step by Step PreCalculus app for the Ti-Nspire CAS CX available now

Watch this Youtube Video for an overview and examples at https://youtu.be/cRIs3oUicrw Complete and Comprehensive. Step by Step Solutions to : Functions (Polynomial, Exponential, Logarithmic and Trigonometric Functions), Trigonometry, Statistics, Discrete Mathematics, Algebra, Matrices, Complex Numbers, Sequences, Introductory Calculus. Watch this Video on using the app doing PreCalculus homework at https://youtu.be/B9bYtG52XE4

# Step by Step Statistics app for the Ti-Nspire CX available now

Watch this Youtube Video for an overview and examples at https://youtu.be/1HKbdf4zvvM Shows Step by Step solutions for most Statistics and Probability topics. Step by Step Confidence Intervals for mean, proportion, 2 means, 2 proportions, variance, slope, etc. Compute Sample Sizes for Confidence Intervals. Step by Step Tests of Significance (Z-Tests, T-Tests, ChiSquare Goodness of Fit and Independence tests, 2-sample… (read more)