CoCalc by SageMath, Inc. @cocalc_com
Collaborate in real time while using Jupyter, Linux, LaTeX, and more. Like Google Suite for Computational Scientists. cocalc.com Seattle, WA Joined April 2015-
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We've updated our LaTeX Editor layout! We've replaced the multiple frames for the table of contents, build log, and error log with a new, unified single-frame viewer. Take a look at the new version (left) compared to the old one (right). #latex #scientificcomputing #pythontex
Pauling scale: F=4.0, H=2.1, Na=0.9 HF: ΔEN=1.9 → ionic (μ=1.91D) H₂O: ΔEN=1.4 → polar (μ=1.85D) CH₄: ΔEN=0.4 → nonpolar (μ=0D) 1932 → modern chemistry cocalc.com/share/public_p…
∂u/∂t = α∇²u (heat equation) Real-World Applications in action: Maxwell's equations, Navier-Stokes. Interactive notebook: cocalc.com/share/public_p… #Mathematics #VectorCalculus #CoCalc
∬_S F·n dS = ∭_V ∇·F dV Divergence Theorem in action: divergence, outward flux. Interactive notebook: cocalc.com/share/public_p… #Mathematics #VectorCalculus #CoCalc
∮_C F·dr = ∬_S (∇×F)·n dS Stokes' Theorem in action: curl, circulation. Interactive notebook: cocalc.com/share/public_p… #Mathematics #VectorCalculus #CoCalc
∬_S F·n dS Surface Integrals and Flux in action: parametric surfaces, surface area. Interactive notebook: cocalc.com/share/public_p… #Mathematics #VectorCalculus #CoCalc
∮_C F·dr = ∬_R (∂Q/∂x - ∂P/∂y) dA Green's Theorem in action: circulation, flux. Interactive notebook: cocalc.com/share/public_p… #Mathematics #VectorCalculus #CoCalc
W = ∫_C F·dr Line Integrals and Work in action: path integrals, conservative fields. Interactive notebook: cocalc.com/share/public_p… #Mathematics #VectorCalculus #CoCalc
Analyze temperature anomalies, quantify warming, and separate natural from human signals with Python. Use SciPy, Matplotlib, data in @cocalc_com. From Fourier’s greenhouse effect to modern models. #ClimateScience #DataScience #Python #CoCalc #jupyter cocalc.com/share/public_p…
Salt melts at 801°C. Ceramic survives 2072°C. Same bonding type, 20x stronger atoms. cocalc.com/share/public_p…
∬_R f(x,y) dA = ∬_S f(r,θ) r dr dθ Multiple Integration in action: double integrals, triple integrals. Interactive notebook: cocalc.com/share/public_p… #Mathematics #VectorCalculus #CoCalc
∇f = (∂f/∂x, ∂f/∂y, ∂f/∂z) Vector Calculus Fundamentals in action: vector fields, gradients. Interactive notebook: cocalc.com/share/public_p… #Mathematics #VectorCalculus #CoCalc
Stokes' theorem: ∮_C F⋅dr = ∬_S (∇×F)⋅n dS Connects circulation around curves to flux through surfaces. The mathematical foundation of electromagnetic theory. Explore it interactively: cocalc.com/share/public_p… via @cocalc_com #VectorCalculus #Mathematics
Calculate atomic structure with Julia. Hydrogen energy levels to n=20, electron configurations for all elements, quantum mechanical visualizations. Interactive: Energy level diagrams & spectral analysis cocalc.com/share/public_p… #QuantumMechanics #Julia #Chemistry #AtomicPhysics
In 1876, Lucas proved 2^{127}-1 is prime—by hand. Today, SageMath verifies primes like 2^{31}-1 instantly. Explore the 6-part series (divisibility, sieve, GCD/LCM, factorization, RSA, music ratios): cocalc.com/share/public_p…
We are happy to have our CSO, Blaec Bejarano, representing us in Washington, D.C. as a member of the National Small Business Association’s Leadership Technology Council and newly formed AI task force! #AI #SmallBusiness #NSBA
Is 2^127-1 prime? What's gcd(1071, 462)? Solve x ≡ 2 (mod 3), x ≡ 3 (mod 5) Number theory made computational: cocalc.com/share/public_p… #sagemath #cocalc #numbertheory #gcd #primes
Discover how electrons create the three fundamental types of chemical bonds! Calculate lattice energies, explore Born-Landé equations, and see how NaCl differs from diamond. Interactive R analysis reveals the patterns. Try it on CoCalc: cocalc.com/share/public_p…
From prime testing to solving Diophantine equations. Master number theory fundamentals: GCD, modular arithmetic, Chinese Remainder Theorem, and Euler's φ(n). Interactive SageMath: cocalc.com/share/public_p…
New: CoCalc Python API + Organization admins (API-only). Automate projects, file copy, and org user management. Install: pip install cocalc-api or uv add cocalc-api Docs: cocalc.com/api/python/ PyPI: pypi.org/project/cocalc… Org admin access? Contact us.
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