PhysChem Calculator

A Scientific Calculator for Physicists, Chemists, and Anyone Who Loves Numbers

From basic arithmetic to advanced physics constants and chemistry tools — all in one sleek, powerful calculator.

PhysChem Calculator is a feature-rich scientific calculator designed specifically for students, researchers, and professionals in physics and chemistry. With a clean, dark interface, intuitive layout, and specialized tools for molar mass calculation, pH determination, and the ideal gas law, it bridges the gap between a standard calculator and a laboratory companion.

⚛️ The Premise

A calculator should be more than just a tool — it should be an extension of your thinking. PhysChem Calculator combines the power of a scientific calculator with specialized functionality for chemistry and physics, all wrapped in a beautiful, responsive interface.

Whether you're balancing equations, calculating molar masses, or solving ideal gas problems, PhysChem Calculator is built to keep up with you.

🎮 Features

📐 Three Powerful Modes

• General Mode — Full scientific calculator with trigonometric functions, logarithms, factorials, and memory
• Physics Mode — Instant access to fundamental constants: c, h, G, k_B, N_A, R, e, m_e, m_p, ε₀, μ₀
• Chemistry Mode — Specialized tools for molar mass, pH, and ideal gas calculations

🧪 Chemistry Tools

• Molar Mass Calculator — Enter formulas like H₂O, NaCl, C₆H₁₂O₆ and get instant molar mass
• pH Calculator — Convert [H⁺] concentration to pH value
• Ideal Gas Law — Solve for P, V, n, or T using PV = nRT

⚡ Physics Constants

• One-click insertion of fundamental constants:
  • Speed of light (c)
  • Planck's constant (h)
  • Gravitational constant (G)
  • Boltzmann constant (k_B)
  • Avogadro's number (N_A)
  • Ideal gas constant (R)
  • Elementary charge (e)
  • Electron mass (m_e)
  • Proton mass (m_p)
  • Permittivity (ε₀)
  • Permeability (μ₀)

🧮 Scientific Functions

Function	Description
sin, cos, tan	Trigonometric functions
asin, acos, atan	Inverse trigonometric functions
log	Base-10 logarithm
ln	Natural logarithm
sqrt	Square root
exp	Exponential (eˣ)
x², x³, xⁿ	Powers
1/x	Reciprocal
x!	Factorial
%	Percent
±	Toggle sign

📜 History & Memory

• Calculation History — Track your last 50 calculations
• Memory Functions — M+, M−, MR for storing and recalling values
• Auto-Close Parentheses — Automatically balances parentheses for error-free expressions

🎨 Art & Interface

• Dark, Professional UI — Easy on the eyes, perfect for late-night work
• Responsive Layout — Works beautifully on desktop, tablet, and mobile
• Clear Display — Expression and result shown separately
• Keyboard Support — Type directly with your keyboard
• Smooth Animations — Tactile feedback for every interaction

🧠 Thematic Depth

PhysChem Calculator is designed for:

• Students — From high school to graduate level
• Researchers — Quick calculations without switching tools
• Professionals — Engineers, chemists, and physicists
• Anyone — Who needs a powerful, reliable calculator

💡 Perfect For

• Physics and chemistry students
• Laboratory work and research
• Homework and exam preparation
• Professional scientific work
• Anyone who needs more than a basic calculator

🕹️ Controls

Action	Input
Numbers & Operators	Click buttons or type on keyboard
Calculate	Press Enter or click =
Clear	Click AC or press Esc
Backspace	Click ⌫ or press Backspace
Toggle History	Click 📜 or press H
Memory Functions	M+, M−, MR

🔧 Technical Details

• Platform: Web Browser
• Format: HTML5 Calculator
• Languages: HTML, CSS, JavaScript
• No Dependencies — Pure vanilla implementation
• Keyboard Support — Full keyboard input
• Responsive — Works on all screen sizes

From simple arithmetic to complex scientific calculations — PhysChem Calculator has you covered.

Calculate smarter. Work faster.