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Browse the tool catalog - Science & Education | Page 3

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Focused on Science & Education. Page 3.

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Math, Date & Finance639

Calculators, numerics, date logic, statistics, and finance tools

Images, Audio & Video597

Image, audio, and video processing, conversion, and optimization tools

Design & Color294

Color, layout, graphics, visual styling, and design helper tools

Text & Writing206

Writing, cleanup, formatting, extraction, and text analysis tools

Developer & Web188

Developer utilities, networking, web debugging, and automation helpers

Conversion & Encoding172

Format, file, archive, unit, and encoding conversion tools

Absorbance Quantification and Acid-Base Calculations

JSON Structure Surgery

Tabular Data Cleanup, Shaping, and Normalization

Professional Assembly of an Excel Workbook

PDF Repair, Cleanup, and Slimming

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Science & Education

Relativistic Velocity Addition Calculator

u = (v + u′)/(1 + vu′/c²) for β or m/s pairs: relativistic sum, Galilean comparison, γ(u), and the u′ = c photon invariance case.

Science & Education

Wavefunction Normalization Constant Calculator

Solve ∫|ψ|²dx = 1 for A: infinite well √(2/L), Gaussian (πσ²)^(−1/4), oscillator ground (mω/πℏ)^(1/4), exponential √(2α), with checks and moments.

Science & Education

Thin Lens Equation Calculator

1/f = 1/u + 1/v solved for f, u, or v: magnification, real/virtual image nature, and power in diopters.

Science & Education

Time Dilation Calculator

Δt = γ·Δτ with γ = 1/√(1−v²/c²): both clock views for any speed below c, from the 0.6c hand-check case to muon lifetimes at 0.998c.

Science & Education

Quantum Tunneling Probability Calculator

Rectangular-barrier WKB T ≈ e^(−2κa) vs exact transmission, reflection R = 1−T, and over-barrier partial reflection for electron, proton, or custom mass.

Science & Education

Heisenberg Uncertainty Principle Calculator

Δx·Δp ≥ ℏ/2: minimum Δp from Δx, minimum Δx from Δp, or a pair check with satisfaction ratio. Units m–pm and kg·m/s / g·cm/s / eV/c; optional mass derives Δv.

Science & Education

Stern-Gerlach Deflection Calculator

a = μ_z·G/m, deflection z = a·[(L/v)²/2 + L·D/v²], and 2z screen separation for spin-1/2 atoms in a field gradient.

Science & Education

Osmotic Pressure Calculator

π = i·M·R·T with van't Hoff factor, multi-unit readout and a molar-mass inversion mode.

Science & Education

pH from Concentration

pH directly from concentration: strong solutes fully dissociate, weak solutes solve the exact quadratic with α and the 5% rule.

Science & Education

Raoult's Law Calculator

p_i = x_i·p_i* for ideal solutions, with total pressure and vapour-phase composition for binary mixtures.

Science & Education

Reaction Order Determiner

Initial-rate method: single-reactant log-log fit or two-reactant method of pairs, with k back-calculated per experiment.

Science & Education

Reaction Rate Constant Estimator

k(T) from a reference point and Ea via the Arrhenius ratio, with kJ/kcal/J activation energy conversion built in.