Extract high-quality images of figures and pages from research PDFs. v1.0
Format abstracts with IMRC headings, clean whitespace, and convert to HTML, Plain Text, or LaTeX. v1.0
Quickly calculate t-test, chi-square, or ANOVA for your biological data. v0.9 (Upgrade coming soon)
Clean and validate DNA/protein sequences, remove invalid characters, and ensure proper formatting. v1.0
Upload blot/gel images for auto-inversion, contrast enhancement, and noise removal. v1.0
Calculate molecular weight from chemical formulas or protein/DNA/RNA sequences. v1.0
Convert between moles, grams, and gas volume using STP/IUPAC STP/SATP molar volume. 100% client-side. v1.0
Michaelis–Menten plots with Lineweaver–Burk, Eadie–Hofstee, Hanes–Woolf views, plus in-browser fitting of Vmax & Km. Private, client-side. v1.0.0
Compute Tm via Wallace, GC% and nearest-neighbor models with salt, concentration, and solvent adjustments. Private, client-side. v1.0.0
Solve absorbance, ε, path length, or concentration; unit-aware with %T ↔ A conversion. 100% client-side. v1.0
Compute pH from pKa and [A⁻]/[HA], or design a buffer recipe from target pH, concentration, and volume — all client-side. v1.0
Determine the minimum sample size for comparative studies and A/B tests. v1.0
Compute support reactions, shear force diagram, and bending moment diagram for a simply supported beam with point loads and UDLs. v1.0
Compute Reynolds number, velocity, or pipe diameter. Classify laminar vs turbulent flow. 100% client-side. v1.0
Compute buoyant force and floating depth (draft) from density, displaced volume, and gravity. Optional mass/weight & waterplane area for equilibrium draft. v1.0.0
Enter R, C, and initial voltage. Get τ = R·C and a live charging/discharging plot. Optional supply voltage for charging. Private, client-side.
Compute work (F·d·cosθ), average power (W/t), and efficiency from input energy or power. Private, client-side.
Calculate surface/altitude gravity, compare Earth-g, and solve F = m·a — all client-side and private. v1.0
Time to hit ground, impact velocity, and kinetic energy from height. Presets for Earth, Moon, Mars, Jupiter; optional initial velocity & mass. v1.0
Convert between m/s², g, ft/s², in/s², Gal/mGal/µGal, km/h/s, mph/s, and knot/s with adjustable precision, copy & share — all client-side. v1.0
Compute range, flight time, max height, apex distance & impact speed — presets for Earth/Moon/Mars and custom g. 100% client-side. v1.0
Compute centripetal force, radial acceleration, and g-forces from mass, speed, and radius — all private and client-side. v1.0
Compute period T and frequency f from length, gravity, and amplitude. Small-angle or exact large-angle (elliptic integral, AGM). 100% client-side. v1.0
Calculate KE = ½mv², PE = mgh, and total energy. Solve using conservation for speed at any height or maximum height. v1.0.0
Compute force (F = −kx), SHM period/frequency (T, f, ω), and max spring energy (½kx²) from k, m, and x. v1.0.0
Compute ωₙ / fₙ, damping ratio ζ, Q factor, damped frequency, decay α, and bandwidth for mass–spring–damper or RLC (series/parallel). Private, client-side. v1.0.0
Compute image distance, magnification, and image nature (real/virtual, upright/inverted) using the thin lens / mirror equation. Private, client-side. v1.0.0
Solve PV = nRT for any variable with unit support (atm, kPa, bar, mmHg; L, mL, m³; K/°C). Includes Boyle’s, Charles’s, and Gay-Lussac two-state solvers. v1.0.0
Compute τ = rF, I for common shapes (sphere, cylinder/disk, rod), angular acceleration α = τ/I, and rotational KE ½Iω². v1.0.0
Explore a realistic 3D starry night sky with interactive controls. HYG 4.1 dataset, rendered 5020 stars. v0.1.1
Calculate Luminosity, Angular Diameter, and Comoving Distances from Redshift. v1.0
Instantly convert between AU, Light-Years, Parsecs, and Kilometers. v1.0
Calculate the age of the universe and cosmic distances for a given redshift. v1.0
Compute rocket Δv with up to 4 stages using the Tsiolkovsky equation — includes per-stage breakdown and total Δv chart. v1.0
Enter altitude to compute orbital period, velocity, and revs per day — based on Kepler’s Third Law. v1.0
Δv₁, Δv₂, total Δv & time of flight between two circular orbits — optional plane change. v1.0
Altitude → escape velocity for Earth, Moon, Mars, or a custom body. Also shows circular speed and the √2 relation. v1.0.0
Peak wavelength (Wien’s law) and radiated power (Stefan–Boltzmann), with optional emissivity & area and a mini spectrum plot. v1.0.0
Interactive pixel-grid simulator of Conway’s Game of Life — draw, run, pause, and explore emergent patterns. v1.0
Watch emergent trails form via pheromones. Tweak evaporation, diffusion, noise, and agent count in real time. v1.0
