ESCalc Scientific Calculator

An intuitive scientific calculator for science and engineering, with CALC, physical constants, and calculation history for study and research.

ESCalc (Endo Scientific Calculator) is a scientific calculator app developed by Masamori Endo of Tokai University, author of a Japanese guide to scientific calculators for university students and engineers, to study scientific calculator user interfaces.

Designed for university students, researchers, and engineers, ESCalc supports study, research, and practical work with intuitive controls and fewer keystrokes.

Key features • CALC: reuse the same expression with different variable values • Key physical constants based on CODATA 2022 • Degrees, minutes, and seconds input and automatic display • Conversion between rectangular and polar coordinates • General-purpose memory and user-defined constants • Recall of calculation history

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