AlmostTI

AlmostTI

AlmostTI is an open-source alternative to Texas Instruments graphing calculators and software. It can emulate the functionality of popular TI calculators like the TI-83, TI-84 Plus, and TI-Nspire families on Windows, Mac, and Linux computers.
AlmostTI image
calculator emulator open-source education

AlmostTI: Open Source Graphing Calculator Alternative

An open-source alternative to Texas Instruments graphing calculators and software, emulating popular TI calculator families on Windows, Mac, and Linux computers.

What is AlmostTI?

AlmostTI is an open-source and cross-platform alternative to Texas Instruments graphing calculators and software. It emulates the functionality of popular TI calculators like the TI-83, TI-84 Plus, and TI-Nspire families and allows users to run TI programs and games on their computers.

Some key features of AlmostTI include:

  • Emulates the hardware and functionality of TI-83, TI-84 Plus, TI-89, and TI-Nspire graphing calculators
  • Supports running most TI BASIC programs and assembly programs
  • Available on Windows, Mac, and Linux operating systems
  • Free and open-source software under the GPL license
  • Graphing and geometry features for plotting functions
  • Programming editor and shell for writing and running code
  • Supports saving and loading calculator files
  • Simulates keypad input and display output of TI calculators

Overall, AlmostTI provides students, teachers, developers and hobbyists access to TI calculator functionality on their desktop or laptop without needing to purchase expensive dedicated hardware. Its open-source nature also allows advanced modification and extension of capabilities.

AlmostTI Features

Features

  1. Emulates popular TI graphing calculators like TI-83, TI-84 Plus, TI-Nspire
  2. Supports creating and running TI-BASIC programs
  3. Graphing and plotting capabilities
  4. Mathematical equation solving and manipulation
  5. Statistics and probability functions
  6. Matrix operations
  7. Computer algebra system (CAS)
  8. Supports exporting graphs and screenshots

Pricing

  • Open Source

Pros

Free and open source

Available on Windows, Mac, Linux

Active development and support community

Powerful math and graphing capabilities

Familiar TI calculator interface

Avoids buying expensive dedicated graphing calculators

Cons

Lacks some advanced features of actual TI hardware

Steep learning curve for new users

Limited support for newer TI calculator models

Some stability and performance issues

Not allowed in some exam settings


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