STEMKey is a fast STEM keyboard for Android, combining everyday QWERTY typing with mathematics, physics, chemistry, engineering and scientific tools in one keyboard.

Type mathematical equations, chemical formulas, Greek letters and scientific symbols without constantly switching keyboards.

KEY FEATURES

• MATHEMATICS: Mathematical operators, equations, square roots, integrals, summations and symbols such as √, ∑, ∫, π, ∞, ≤ and ≥.

• PHYSICS: Scientific symbols, physical units, Greek notation and technical expressions.

• CHEMISTRY: Chemical formulas, subscripts, ready-to-use presets such as H₂O, CO₂ and H₂SO₄, plus an interactive periodic table containing all 118 chemical elements.

• GREEK ALPHABET: Quick access to α, β, γ, Δ, Ω and other Greek letters used in science and mathematics.

• SUPERSCRIPTS & SUBSCRIPTS: Write x², x³, aₙ, chemical formulas and scientific notation.

• LOGIC & SET THEORY: Logical operators, set symbols and mathematical notation.

• ENGINEERING: Technical symbols, measurement units and reusable scientific presets.

• SCIENTIFIC CALCULATOR: Built-in calculator for quick calculations, with copy and insert functionality.

• FAVORITES: Save frequently used mathematical and scientific symbols for quick access.

• EVERYDAY QWERTY: Regular text, messages and STEM notation from the same keyboard.

WHO IS STEMKEY FOR?

Students, teachers, scientists, engineers, researchers and anyone who works with mathematics, physics, chemistry or technical documents.

Perfect for homework, scientific notes, equations, laboratory work, engineering calculations and everyday communication.

WHY CHOOSE STEMKEY?

STEMKey combines familiar QWERTY typing with dedicated STEM symbol panels, making scientific typing easier without constantly switching keyboards or copying special characters.

Optional advanced features are available through STEMKey Pro.

STEMKey — QWERTY first. STEM always available.