Tim Treble's web portal site contains updated news, information, weather, business indices, and reference links of special interest to the Tampa Bay, Clearwater, Florida area. Tim Treble is the site's webmaster.

Doubt is the origin of wisdom

René Descartes

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Educational Links: Reference Miscellaneous:

 

Equation Editor, How to Use- Grammar & Writing Guide- Interactive Mathematics - Math Spoken Here - Math Education Links - Prime Factorization Machine- Triangular Numbers- Slope Gizmo- Unit Circle- Visual Calculus-


Miscellaneous: Baseball Scores-Craig's List-Deal News- eBay-Encyclopedia Mythica- Fishing Forum- Flight Tracker- Framingham News - Google Scholar-Maps- NJ.org- Person Locator-Top Ten! -SlickDeals -Tripadvisor-WebCam

 

Miscellaneous: Technology Links: Business & Finance:

•Downloads:

AbiWord Free Word Processor!-OpenOffice-PowerToys-ZoneAlarm-

 

 

•Technology: Bandwidth Meter- BrightHand -c|net - CNN Technology - ClickZ - Keyboard Shortcuts -Komando - Net News - NewsLinx - PC Week -Registrar Lookup - Slashdot-TechWeb -Virus Alert- Wired - ZDNet

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Dictionary: Thesaurus: Encyclopedia:


Merriam Webster Dictionary

 

 
Thesaurus

 

Online Calculators
  • Addition and Multiplication Tables, of different bases
  • Function calculator, for one-variable real functions: limits, integrals, roots...
  • Ruler & compass, geometric constructions by ruler and compass.
  • Linear solver, solves your linear systems, including systems with parameters.
  • Matrix calculator, computes determinant, inverse, eigenvectors,...
  • Tracés animés, plot zooming, deforming and rotating curves and surfaces.
  • Matrix multiplier, input two matrices and get their product (or other formula).
  • Factoris, factors integers and polynomials.
  • Primes, searching for primes in different ways.
  • Vector calculator, linear dependence, orthogonal complement, visualisation, products...
  • Wcalc, multi-purpose single-step calculator usable in popup mode.
  • Base converter, converts a number between different numbering systems, arbitrary precision.
  • Numerical calculator, with modifiable history; real/complex or positive characteristics.
  • Polyray, visualize implicit algebraic surfaces by ray tracing.
  • Bezout, computes euclidean division, gcd, lcm, Bezout relation.
  • Solucia, resolution of ODE and curves of solutions. (GIDOIN Fabienne~JORRO Rémi)
  • Sigma, computes sums of series or finite sums of various kinds.
  • Fourier-Laplace, computes Fourier / Laplace transforms and their inverses.
  • Goldbach, write an even integer as sum of two primes.
  • Vision 4D, plots hypersurfaces etc. in space-time of dimension 4.
  • Wfind, find words by letter patterns. 
  • Prime Number Checker

    Please enter a number: