The infinity symbol ∞, described as a "sideways figure eight", is unrelated to the digit 8 in origin; it is first used (in the mathematical meaning "infinity") in the 17th century, and it may be derived from the …

Step 1: Enter the expression you want to evaluate. The Math Calculator will evaluate your problem down to a final solution. You can also add, subtraction, multiply, and divide and complete any arithmetic …

For example, if you enter '0.8' into the converter, it will show you that this decimal is equivalent to the fraction '4/5 (⅘)'. It will also explain how it arrived at this answer, showing you the steps involved in …

A more illustrative example could involve a pie with 8 slices. 1 of those 8 slices would constitute the numerator of a fraction, while the total of 8 slices that comprises the whole pie would be the …

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

Feb 11, 2026 · Find the ideal calculator for math, science, statistics. Browse calculators for banking, finance, loans, time and date, conversion, fractions, algebra and more.

Sal converts 0.8 to a fraction.

Shows you step-by-step how to add, subtract, multiply, divide your fractions! This calculator will solve your problems.

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

"Section 8" is common U.S. slang for "crazy," based on the U.S. military's Section 8 discharge for mentally unfit personnel. In China, "8" is used in chat speak as a term for parting.