unageek/graphest

unageek/graphest has 154 GitHub stars and 6 forks. GitHot measured 0 stars in 24 hours. Last checked 2026-11-09 21:59 UTC. Last push 2026-11-04.

A faithful graphing calculator

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What you can do

Plots arbitrary equations/inequalities
Never gives an incorrect result; if you find any relation plotted incorrectly, please report it here
Cartesian and polar coordinates
Parametric relations

Nettoänderungen in überlappenden Zeiträumen, keine Tagessummen. Fehlende Messwerte bleiben leer. Sterne zeigen Interesse, nicht Qualität.

A graphing calculator that faithfully plots arbitrary mathematical relations.

cover image

Plots arbitrary equations/inequalities
Never gives an incorrect result; if you find any relation plotted incorrectly, please report it here
Cartesian and polar coordinates
Parametric relations
Full interactivity
Extensive set of mathematical functions

Graphest aims to provide a modern, open-source and extensible alternative to GrafEq™ [Ped].

The following algorithms in [Tup01] are implemented: 1.1–3.2, 3.3 (partially), 3.4.1–3.4.3, 3.4.5 (partially), 3.4.6 (partially).

[Ped] Pedagoguery Software Inc. GrafEq™. http://www.peda.com/grafeq
[Tup96] Jeffrey Allen Tupper. Graphing Equations with Generalized Interval Arithmetic. Master's thesis, University of Toronto, 1996. http://www.dgp.toronto.edu/~mooncake/thesis.pdf
[Tup01] Jeff Tupper. Reliable Two-Dimensional Graphing Methods for Mathematical Formulae with Two Free Variables. SIGGRAPH 2001 Conference Proceedings, 2001. http://www.dgp.toronto.edu/~mooncake/papers/SIGGRAPH2001_Tupper.pdf