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the free encyclopedia Typesetting system For other uses ·   · 48  · years ago   · ( 1978 ) Stable release 3.141592653 [ · 1 ] · / 5  · February 2021 ; · 5 years ago   · type application/x-tex Initial release 1978 ; · ( 1978 ) Type of format Document file format TeX ( / t ɛ x / ) · stylized as T e X · 2 ] · sets of TeX macros · it has been noted as one of the most sophisticated digital typographical systems. [ · 3 ] · TeX is widely used in academia · especially in mathematics · computer science · economics
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Contractor and licensing FAQs
How do I verify a contractor is licensed?
Start by asking the contractor directly for their license number and the issuing authority. Licensing is trade-specific: plumbers and HVAC mechanics are typically licensed through your state's plumbing and mechanical systems licensing board; electrical contractors are licensed through your state's electrical licensing authority; general construction contractors register with your state licensing board. You can look up license status online through your state's professional licensing bureau online or through your state's contractor registration database. Before any work begins, also ask for a current certificate of general liability insurance and workers' compensation coverage. Confirm the coverage limits are adequate for your project—at minimum $1 million in general liability. EdgeLocal profiles include ratings and direct contact info, but license verification must be confirmed directly with the contractor and the relevant state agency.
Should I get multiple quotes from contractors?
Yes—always get at least two or three quotes before hiring any contractor for significant work. Multiple quotes let you compare price, scope, materials, and timeline, and help you spot outliers: a quote significantly lower than others may indicate missing scope or cut corners, while a much higher quote may not be justified. When collecting quotes, give each contractor a clear description of the project so you can make accurate comparisons. Ask each to break out labor and materials separately when possible, and confirm what's included: demolition, permits, materials, cleanup, and warranty. Ask for estimated start dates and project duration as well. Use EdgeLocal to quickly find several rated contractors in your area so you can start the quote process without extensive additional research.
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4 Design Toggle Design subsection 4.1 Mathematical spacing 4.2 Hyphenation and justification 4.3 Metafont 4.4 Macro language 5 Operation 6 Uses Toggle Uses subsection 6.1 Chemistry notation 6.2 XML publication 7 Development 8 Distributions and extensions 9 License 10 Community 11 Editors 12 Extensions 13 See also 14 Notes 15 References 16 External links Toggle the table of contents TeX 46 languages العربية Беларуская Български বাংলা Bosanski Català Čeština Dansk Deutsch Esperanto Español Eesti E
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