Eu tou indeciso entre uma Casio Fx-9860G SD e uma TI 84 Plus Silver Edition
General information:
Memory 64 kB RAM
1.5 MB Flash ROM
With SD card slot
Power supply: battery-operated
Dimensions (H x W x D): 184.5 x 92.5 x 24.0 mm
Weight: 306 g
Functions:
Graph functions:
Cartesian coordinates system
Inequalities graph and applications
X=constant graph
Graphs of parametric functions
Functions in polar coordinates
>20 graph memory
Graph titling
Values table
Recurrence graph
- Recurrence parameter
- Web Plot
Graphs of conic section functions and relevant applications
Dynamic graphs
View Window: X-dot parameter
Zoom/Trace functions
- Starting position: centred
- Trace direct input
4 different display types for X-values
G-solve (graphing calculation)
- Zeroes
- Points of intersection
- Local minima and maxima
- Slopes
- Specific integrals
- X and Y value calculation
Display of
- Tangents
- Normal and
- Inverse functions of a graph
Divided display
- Graph and graph
- Graph and values table
- Graph of a values table
- Graph and values table interactively linked
Mathematical basic functions:
Fraction <-> decimal fraction conversion
Solve (interactive)
First and second derivative (numerical)
Integration (numerical)
Max/Min
Complex functions
Matrices calculation
- Maximum size of the matrix 255 x 255
- Number of matrices: 27
- Calculating the determinant
- Calculating the inverse matrix
Linear equations (max 6 unknowns)
- Zero point calculation of polynomials
- Solving linear equations systems
- Equation solver
Polynomial equations (max. third degree)
Calculations on the basis of n
Statistics:
Statistical calculations:
- Average value, median, total
- Distributions
- Regression coefficient
Statistical graphs:
- List-based statistics
- Histogram
- Box plot
- Modified box plot
- Distribution curve
- Scatter plot /xy-line
- Med-med line
- Linear/quadratic/cubic/quartial regression
- Exponentional/logarithmic/power regression
- Trigonometric regression
- Logistic regression
- Copy function of the regression equation
- Trace the tracking function
Lists:
- Maximum size of the matrix: 999
- Number of lists: 26 lists, 6 files
- Lists with complex numbers
- List titling
Scientific:
Scientific applications with physical constants (ADD-in)
Calculations with scientific numerical notation
Financial mathematics
Geometry
Spreadsheet (pre-installed)
eActivity
Periodic table:
Applications with the periodic table (ADD-in)
Physium
Programming function:
additional specifications
History unlimited 255 Bytes
Function catalogue
Clipboard
7 system languages supported
Add-in software system
Memory location
- Program
- Backup
Communication
- Calculator to calculator (3pin-3pin)
- Calculator <-> computer (USB)
- Add-in communication
- OS upgrade
- computer-link software
Screenshot creation
Direct communication unit (calculator <-> OHP calculator)
Econ (Add-in)
CASIO logo appears when the calculator is turned off
Electronically upgradeable graphing calculator allows you to have the most up-to-date functionality and software applications (Apps).
• 2.5 times the processor speed of the TI-83 Plus.
• 1.5 MB FLASH ROM memory for data archive and storage of Apps.
• 24KB of available RAM memory.
• USB port for computer connectivity, unit-to-unit communication with TI-84 Plus and TI-84 Plus Silver Edition graphing calculators, and more.
• I/O port for communication with other TI products.
• Internal Clock with date and time display.
• TI Connectivity Cable included.
• TI Connectivity Cable and TI Connect™ software allow information to be transferred to and from a computer and printed or stored on disk.
• Included Apps: Cabri® Jr., Transformation Graphing, Inequality Graphing, Topics in Algebra 1, Chapters 1-4, Topics in Algebra 1, Chapter 5, Fundamental Topics in Science, CellSheet™ (English, French, German and Spanish versions), Periodic Table (English, French, German and Spanish versions), Organizer (English, French and Spanish versions), StudyCards™ (English, French, German and Spanish versions), Science Tools (English, French and Spanish versions), Conic Graphing, Learning Check™, Area Formulas, Catalog Help, Polynomial Root Finder/Simultaneous Equation Solver, Puzzle Pack, Vernier EasyData™ , Spanish Localization, French Localization, German Localization, Danish Localization, Swedish Localization, Dutch Localization
• Apps are available from TI and other leading developers.
• 8-line by 16-character display.
• Advanced functions accessed through pull-down display menus.
• Real and complex numbers calculated to 14-digit accuracy and displayed with 10 digits plus a 2-digit exponent.
• Graphs 10 rectangular functions, 6 parametric expressions, 6 polar expressions, and 3 recursively-defined sequences.
• Up to 10 graphing functions defined, saved, graphed, and analyzed at one time.
• Sequence graphing mode shows time series plot, cobweb/stair-step plot, and phase plots.
• User-defined list names. Lists store up to 999 elements.
• 14 interactive zoom features.
• Numeric evaluations given in table format for all graphing modes.
• Interactive analysis of function values, roots, maximums, minimums, integrals, and derivatives.
• 7 different graph styles for differentiating the look of each graph drawn.
• Horizontal and vertical split- screen options.
• Stores up to 10 - 50x50 matrices.
• Matrix operations including inverse, determinant, transpose, augment, reduced row echelon form, and elementary row operations. Convert matrices to lists and vice-versa.
• List-based one- and two-variable statistical analysis, including logistic, sinusoidal, median-median, linear, logarithmic, exponential, power, quadratic polynomial, cubic polynomial, and quartic polynomial regression models.
• 3 statistical plot definitions for scatter plots, xy-line plots, histograms, regular and modified box-and-whisker plots, and normal probability plots.
• Advanced statistics features including 10 hypothesis testing functions, 7 confidence interval functions, and one-way analysis of variance.
• 15 probability distribution functions including Normal, Student-t, Chi-square, Binomial, and Poisson.
• Business functions including Time-Value-of-Money (TVM), cash flows, and amortization. Full screen interactive editor for solving TVM problems.
• Interactive equation solver editor allows solving numerically for different variables in an equation.
• Alphabetical CATALOG of all TI calculator operations in one menu.
• Programming capability with the number of programs limited only by available memory.
• Link with another TI-84 Plus Silver Edition, TI-84 Plus, TI-83 Plus, TI-83 Plus Silver Edition or TI-83. Receive lists L1-L6 from TI-82.
• USB Unit-to-unit link cable included.
• TI ViewScreen™ unit available that is compatible with the same TI ViewScreen™ LCD panel as the TI-82/TI-83 and the TI-Presenter™ Video Interface.
• All TI-84 Plus Silver Edition student models can plug into the TI-ViewScreen™ LCD panel and TI-Presenter™ Video Interface with TI-84 Plus Presentation Link™ adapter.
• Compatible with Calculator-Based Laboratory™ 2 (CBL 2™), Calculator-Based Ranger™ (CBR™), Vernier EasyLink™, and Vernier EasyTemp™ systems to allow collection and analysis of real-world data.
• TI Keyboard compatible.
• Compatible with the TI-Navigator™ Classroom Learning System.
• Kickstand Slide Case available to prop up your calculator to view display and keys better.
• Changeable faceplates available.
• TI Product CD included with full reference Guidebook and free software Applications.
• Teacher Pack available in standard and EZ-spot colors (includes 10 TI calculators, 10 Getting Started Guides, and a classroom poster).
• Powered by 4 AAA batteries with a Silver Oxide battery backup to protect RAM memory during main battery change.
• Impact-resistant slide case.
• One-year limited warranty.
• Toll-free help hotline: 1 800 TI-CARES
• Supplemental activity books available. Compatible with all TI-83 Plus activity books.
• e-mail help line:
ti-cares@ti.com
• Workshop Loan Program - borrow TI calculators for evaluation or workshops.
• Volume Purchase Program: proofs of purchase redeemable for additional products.
• TI calculator poster and keyboard transparency available.
A Casio acho que é melhor, tem um cartão de expansão de memória, tem mais Ram e tem o ecrã maior.
Mas a TI é o que o pessoal usa e é naquela que a prof. sabe mexer.
Se não fosse isso comprava Casio.
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