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  1. 3 - Wikipedia

    3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number.

  2. Math Calculators

    This is a free online math calculator together with a variety of other free math calculators that compute standard deviation, percentage, fractions, and more.

  3. Web 2.0 scientific calculator

    Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex …

  4. Math Equation Solver | Order of Operations - Calculator Soup

    Aug 1, 2025 · Solve math problems using order of operations like PEMDAS, BEDMAS, BODMAS, GEMDAS and MDAS. (PEMDAS Caution) This calculator solves math equations that add, …

  5. Calculator Pi

    Scientific calculator online, mobile friendly. Creates series of calculations that can be printed, bookmarked, shared and modified in batch mode.

  6. calculator.com®

    You can use fraction space button to create a number of the form 5 3/4. Enter a number, then click fraction space, click another number and then click on the fraction bar button, lastly enter …

  7. Algebra Calculator - Symbolab

    In an amazing mathematical puzzle, letters and symbols take place of unknown numbers. This fundamental branch of mathematics helps us to apply mathematical equations and formulas to …

  8. Step-by-Step Calculator - Symbolab

    Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step

  9. Calculators | Calculator Soup

    Oct 27, 2025 · Find the ideal calculator for math, science, statistics. Browse calculators for banking, finance, loans, time and date, conversion, fractions, algebra and more.

  10. 3 - Wiktionary, the free dictionary

    Oct 31, 2025 · A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ३ (3)), from a cursive form of three lines to represent the number three. See 3 § Evolution of the …