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Casio Basic IDE for fx-9860 and fx-CG calculators
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README.md

C.Basic - CASIO Basic IDE for fx-9860 and fx-CG calculators

C.Basic ("c-dot-basic") is the reference implementation of CASIO Basic, written in CASIO SDK for fx-9860 and miniSDK for fx-CG calculators.

The add-in lets you incorporate SDK-exclusive features to your CASIO Basic programs in calculator, without having to worry about the cumbersome debugging environment of C/C++.

At this moment, only the interpreter part is implemented (hence the dot in the add-in name). In the future, C.Basic will evolve into C:Basic ("c-colon-basic") which includes a compiler.

Supported calculators

This is a simplified list of supported calculators. For an exact calculator model list, click here.

Edition Calculators
FX fx-9750GIII/9860, Graph 35+EII/75/85/95
CG fx-CG10/20/50, Graph 90+E

Features

  • Achieve add-in like performance with little to no modifications to existing CASIO Basic programs
  • Access and edit programs directly in SMEM and SD card
  • Robust editor with features from modern IDE — syntax highlighting, indentation, variable/matrix lookup and debugging
  • Extended commands with CASIO Basic style syntax
  • Emulate G1M runtime environment in fx-CG calculators

Things to know

  • If you are an fx-CG10 or fx-CG20 user, C.Basic will ask you if you wish to overclock your calculator to achieve the performance of an fx-CG50.
    • The overclocking mechanism is based on Ptune2, an overclocking add-in developed by the same author of C.Basic. Upon agreement, C.Basic will apply the F3 preset of Ptune2.
    • Please keep in mind that damage caused by overclocking (and using this add-in) will not be covered by CASIO's warranty, and the author is not responsible for any loss caused by user's improper operations.
    • You can disable the Auto OverClk setting to prevent this prompt from being displayed at each startup.
  • As C.Basic uses floating point to express numbers instead of binary-coded decimal that CASIO Basic uses, handling non-integers calculations may cause approximation errors. You are advised not to use C.Basic for applications involving serious calculations.
  • Please note that the file manager of C.Basic is not yet optimized with calculators featuring the Fugue filesystem. See #1 for more details.

Wiki

Check out the official C.Basic Wiki by clicking the Wiki tab in the navigation bar.
The Wiki is hosted on Fandom, but we have decided to migrate to other wiki host once the majority content of it are ready.