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Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011. In 2020, the company was acquired by American educational technology website Course Hero. [3] [4]
The Department for Education has drawn up a list of core subjects known as the English Baccalaureate for England based on the results in eight GCSEs, which includes both English language and English literature, mathematics, science (physics, chemistry, biology, computer science), geography or history, and an ancient or modern foreign language.
Latin and Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities.
A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]
There are two concurrent GCSE grading systems. In England, GCSEs are graded numerically from 1 (lowest) to 9 (highest), with a 4 being considered a passing grade. For the GCSE English Language Spoken Language component students receive either a Pass, Merit, Distinction or Unclassified.
The UK Government introduced a new performance indicator called the English Baccalaureate, which measures the percentage of students in a school who achieve 5+ A*-C grades (now five Grades 4 to 9 since the GCSE Reforms) in English, mathematics, two sciences, a foreign language and history or geography at GCSE level. [3]
On 20 August 2020 the GCSE results were released. [30] After the problems arising from the use of the grade algorithm for A-Levels, it was decided that GCSE grades awarded to each student would be the higher of the teacher predicted result or algorithm standardised result for each subject they took. [30]
The decimal digits are used for representing numbers through the Hindu–Arabic numeral system. Historically, upper-case letters were used for representing points in geometry, and lower-case letters were used for variables and constants. Letters are used for representing many other types of mathematical object.