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In some of its material, OCR has made mistakes and inaccuracies, sometimes including inaccurate or fictitious content in subject specifications or errors in exam papers. 1998: All the UK schools examinations and vocational qualifications of the UCLES Group were transferred to OCR.
For the 2019 examinations onwards, the specifications have been updated to reflect the reforms in A Level Mathematics and Further Mathematics; [7] in addition, the number of questions in each paper has been reduced. Specifically: The STEP 1 specification was based on A Level Mathematics, with some additions and modifications.
OCR-A is a font issued in 1966 [2] and first implemented in 1968. [3] A special font was needed in the early days of computer optical character recognition, when there was a need for a font that could be recognized not only by the computers of that day, but also by humans. [4] OCR-A uses simple, thick strokes to form recognizable characters. [5]
The BTEC is another Level 1/2 qualification available in the same territories as the GCSE, and is graded at 5 levels. At Level 2, comparable to A*, A, B, and C respectively are the Distinction*, Distinction, Merit, and Pass. A BTEC at Level 1 is simply marked as "Level 1", with no subdivision. Below that level, a U is awarded, as in GCSEs.
17-4PH is used in applications requiring high strength, hardness, and corrosion resistance up to 300 °C (600 °F). [4]It is commonly used in the aerospace industry for its high strength, and in marine applications for its corrosion resistance, although it can be susceptible to crevice corrosion in stagnant salt water.
In analytical chemistry, a standard solution (titrant or titrator) is a solution containing an accurately known concentration.Standard solutions are generally prepared by dissolving a solute of known mass into a solvent to a precise volume, or by diluting a solution of known concentration with more solvent. [1]
Carbonless copy paper (CCP), non-carbon copy paper, or NCR paper (No Carbon Required, taken from the initials of its creator, National Cash Register) is a type of coated paper designed to transfer information written on the front onto sheets beneath.
In chemistry, the chemical property of having the same number and type of atomic components in different arrangements (see structural isomer Topics referred to by the same term This disambiguation page lists articles associated with the title Metamerism .