1.
Decimal
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This article aims to be an accessible introduction. For the mathematical definition, see Decimal representation, the decimal numeral system has ten as its base, which, in decimal, is written 10, as is the base in every positional numeral system. It is the base most widely used by modern civilizations. Decimal fractions have terminating decimal representations and other fractions have repeating decimal representations, Decimal notation is the writing of numbers in a base-ten numeral system. Examples are Brahmi numerals, Greek numerals, Hebrew numerals, Roman numerals, Roman numerals have symbols for the decimal powers and secondary symbols for half these values. Brahmi numerals have symbols for the nine numbers 1–9, the nine decades 10–90, plus a symbol for 100, Chinese numerals have symbols for 1–9, and additional symbols for powers of ten, which in modern usage reach 1072. Positional decimal systems include a zero and use symbols for the ten values to represent any number, positional notation uses positions for each power of ten, units, tens, hundreds, thousands, etc. The position of each digit within a number denotes the multiplier multiplied with that position has a value ten times that of the position to its right. There were at least two independent sources of positional decimal systems in ancient civilization, the Chinese counting rod system. Ten is the number which is the count of fingers and thumbs on both hands, the English word digit as well as its translation in many languages is also the anatomical term for fingers and toes. In English, decimal means tenth, decimate means reduce by a tenth, however, the symbols used in different areas are not identical, for instance, Western Arabic numerals differ from the forms used by other Arab cultures. A decimal fraction is a fraction the denominator of which is a power of ten. g, Decimal fractions 8/10, 1489/100, 24/100000, and 58900/10000 are expressed in decimal notation as 0.8,14.89,0.00024,5.8900 respectively. In English-speaking, some Latin American and many Asian countries, a period or raised period is used as the separator, in many other countries, particularly in Europe. The integer part, or integral part of a number is the part to the left of the decimal separator. The part from the separator to the right is the fractional part. It is usual for a number that consists only of a fractional part to have a leading zero in its notation. Any rational number with a denominator whose only prime factors are 2 and/or 5 may be expressed as a decimal fraction and has a finite decimal expansion. 1/2 =0.5 1/20 =0.05 1/5 =0.2 1/50 =0.02 1/4 =0.25 1/40 =0.025 1/25 =0.04 1/8 =0.125 1/125 =0.008 1/10 =0
2.
Tithe
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A tithe is a one-tenth part of something, paid as a contribution to a religious organization or compulsory tax to government. Today, tithes are normally voluntary and paid in cash, cheques, or stocks, whereas historically tithes were required and paid in kind, several European countries operate a formal process linked to the tax system allowing some churches to assess tithes. Traditional Jewish law and practice has included various forms of tithing since ancient times, orthodox Jews commonly practice maaser kesafim. In modern Israel, Jews continue to follow the laws of agricultural tithing, e. g. maaser rishon, terumat maaser, and maaser sheni. Instead, the New Testament scriptures are seen as teaching the concept of offerings as a means of supporting the church,1 Corinthians 16,2,2 Corinthians 9,7. Also, some of the earliest groups sold everything they had and held the proceeds in common to be used for the furtherance of the Gospel, Acts 2, 44-47, Acts 4, 34-35. Further, Acts 5, 1-20 contains the account of a man, tithes were mentioned at the Council of Tours in 567 and the Synod of Mâcon in 585. They were formally recognized under Pope Adrian I in 787, none of the extant laws of the Ancient Near East deal with tithing, although other secondary documents show that it was a widespread practice in the Ancient Near East. Who is in charge of the tithe, hebrew is a Semitic language, related to Akkadian, the lingua franca of that time. In Genesis 14, 18-20, Abraham, after rescuing Lot, after Melchizedeks blessing, Abraham gave him a tenth of everything he has obtained from battle, Then Melchizedek king of Salem brought out bread and wine. He was priest of God Most High, and he blessed Abram, saying, “Blessed be Abram by God Most High, Creator of heaven and earth. And praise be to God Most High, who delivered your enemies into your hand. ”Then Abram gave him a tenth of everything. ”And he was afraid and said, “How awesome is this place. This is none other than the house of God, and this is the gate of heaven. ”So early in the morning Jacob took the stone that he had put under his head and set it up for a pillar and poured oil on the top of it. He called the name of that place Bethel, but the name of the city was Luz at the first, and of all that you give me I will give a full tenth to you. ”The tithe is specifically mentioned in the Books of Leviticus, Numbers and Deuteronomy. The tithe system was organized in a cycle, corresponding to the Shemittah-cycle. These tithes were in reality more like taxes for the people of Israel and were mandatory and this tithe was distributed locally within thy gates to support the Levites and assist the poor. Every year, Bikkurim, Terumah, Maaser Rishon and Terumat Maaser were separated from the grain, wine, the first tithe is giving of one tenth of agricultural produce to the Levite. Historically, during the First Temple period, the first tithe was given to the Levites, approximately at the beginning of the Second Temple construction, Ezra and his Beth din implemented its giving to the kohanim
3.
Units of measurement
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A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same quantity. Any other value of quantity can be expressed as a simple multiple of the unit of measurement. For example, length is a physical quantity, the metre is a unit of length that represents a definite predetermined length. When we say 10 metres, we actually mean 10 times the definite predetermined length called metre, the definition, agreement, and practical use of units of measurement have played a crucial role in human endeavour from early ages up to this day. Different systems of units used to be very common, now there is a global standard, the International System of Units, the modern form of the metric system. In trade, weights and measures is often a subject of regulation, to ensure fairness. The International Bureau of Weights and Measures is tasked with ensuring worldwide uniformity of measurements, metrology is the science for developing nationally and internationally accepted units of weights and measures. In physics and metrology, units are standards for measurement of quantities that need clear definitions to be useful. Reproducibility of experimental results is central to the scientific method, a standard system of units facilitates this. Scientific systems of units are a refinement of the concept of weights, science, medicine, and engineering often use larger and smaller units of measurement than those used in everyday life and indicate them more precisely. The judicious selection of the units of measurement can aid researchers in problem solving, in the social sciences, there are no standard units of measurement and the theory and practice of measurement is studied in psychometrics and the theory of conjoint measurement. A unit of measurement is a quantity of a physical property. Units of measurement were among the earliest tools invented by humans, primitive societies needed rudimentary measures for many tasks, constructing dwellings of an appropriate size and shape, fashioning clothing, or bartering food or raw materials. Weights and measures are mentioned in the Bible and it is a commandment to be honest and have fair measures. As of the 21st Century, multiple unit systems are used all over the world such as the United States Customary System, the British Customary System, however, the United States is the only industrialized country that has not yet completely converted to the Metric System. The systematic effort to develop an acceptable system of units dates back to 1790 when the French National Assembly charged the French Academy of Sciences to come up such a unit system. After this treaty was signed, a General Conference of Weights, the CGPM produced the current SI system which was adopted in 1954 at the 10th conference of weights and measures. Currently, the United States is a society which uses both the SI system and the US Customary system
4.
Musical note
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In music, the term note has three primary meanings, A sign used in musical notation to represent the relative duration and pitch of a sound, A pitched sound itself. Notes are the blocks of much written music, discretizations of musical phenomena that facilitate performance, comprehension. In the former case, one note to refer to a specific musical event, in the latter. Two notes with fundamental frequencies in an equal to any integer power of two are perceived as very similar. Because of that, all notes with these kinds of relations can be grouped under the pitch class. However, within the English-speaking and Dutch-speaking world, pitch classes are represented by the first seven letters of the Latin alphabet. A few European countries, including Germany, adopt an almost identical notation, the eighth note, or octave, is given the same name as the first, but has double its frequency. The name octave is also used to indicate the span between a note and another with double frequency, for example, the now-standard tuning pitch for most Western music,440 Hz, is named a′ or A4. There are two systems to define each note and octave, the Helmholtz pitch notation and the scientific pitch notation. Letter names are modified by the accidentals, a sharp ♯ raises a note by a semitone or half-step, and a flat ♭ lowers it by the same amount. In modern tuning a half step has a ratio of 12√2. The accidentals are written after the name, so, for example, F♯ represents F-sharp, B♭ is B-flat. Additional accidentals are the double-sharp, raising the frequency by two semitones, and double-flat, lowering it by that amount, in musical notation, accidentals are placed before the note symbols. Systematic alterations to the seven lettered pitches in the scale can be indicated by placing the symbols in the key signature, explicitly noted accidentals can be used to override this effect for the remainder of a bar. A special accidental, the natural symbol ♮, is used to indicate an unmodified pitch, effects of key signature and local accidentals do not accumulate. If the key signature indicates G♯, a flat before a G makes it G♭, though often this type of rare accidental is expressed as a natural. Likewise, a sharp sign on a key signature with a single sharp ♯ indicates only a double sharp. Assuming enharmonicity, many accidentals will create equivalences between pitches that are written differently, for instance, raising the note B to B♯ is equal to the note C
5.
Degree (music)
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In music theory, a scale degree refers to the position of a particular note on a scale relative to the tonic, the first and main note of the scale from which each octave is assumed to begin. The term is useful for indicating the size of intervals and chords, scale degrees can be applied to any musical scale, however, the concept is most commonly applied to scales in which a tonic is specified by definition, such as the 7-tone diatonic scales. It is possible to assign a scale degree to the 12-tone chromatic scale, the expression scale step is sometimes used synonymously with scale degree, but it may alternatively refer to the distance between between two successive scale degrees. The terms whole step and half step are used as interval names. The number of degrees and the distance between them together define the scale they are in. These names are derived from a scheme where the note is the center
6.
Third (chord)
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In music, the third factor of a chord is the note or pitch two scale degrees above the root or tonal center. When the third is the note, or lowest note, of the expressed triad. Conventionally, the third is third in importance to the root and fifth, with first inversion being the second strongest inversion, in jazz chords and theory, the third is required due to it determining chord quality. The third in major and augmented chords is major and the third in both minor and diminished chords is minor. In music and music theory, a tenth is the note ten scale degrees from the root of a chord, since there are only seven degrees in a diatonic scale the tenth degree is the same as the mediant and the interval of a tenth is a compound third. List of third intervals Duckworth, William, a creative approach to music fundamentals, Includes keyboard and guitar insert. Kostka, Stefan, Payne, Dorothy, Almén, Byron, tonal harmony with an introduction to twentieth-century music. Twentieth-century harmony, Creative aspects and practice
7.
Chord (music)
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A chord, in music, is any harmonic set of pitches consisting of two or more notes that are heard as if sounding simultaneously. In everyday use by musical ensembles such as bands and orchestras, however, the notes of a chord do not have to be played together at the same time, arpeggios and broken chords may, for many practical and theoretical purposes, also constitute chords. Other chords with more than three notes include added tone chords, extended chords and tone clusters, which are used in classical music, jazz. Triads commonly found in the Western classical tradition are major and minor chords, the descriptions major, minor, augmented, and diminished are referred to collectively as chordal quality. Chords are also classified by their root note—for instance, a C major triad consists of the pitch classes C, E. While most chords have at least three notes, power chords, which are used in rock music, particularly in hard rock. An ordered series of chords is called a chord progression, one example of a widely used chord progression in Western traditional music and blues is the 12 bar blues progression, the simplest versions of which include tonic, subdominant and dominant chords. To describe this, Western music theory has developed the practice of numbering chords using Roman numerals which represent the number of steps up from the tonic note of the scale. Common ways of notating or representing chords in Western music include Roman numerals, figured bass, macro symbols, the chords in a song or piece are also given names which refer to their function. The chord built on the first note of a scale is called the tonic chord. The chord built on the note of a major scale is called the subdominant chord. The chord built on the degree of the major scale is called the dominant chord. There are names for the built on every note of the major scale. Chords can be played on instruments, including piano, pipe organ, guitar. Chords can also be performed when multiple musicians play together in an ensemble or when multiple singers sing in a choir. The English word chord derives from Middle English cord, a shortening of accord in the sense of agreement and later. A sequence of chords is known as a progression or harmonic progression. These are frequently used in Western music, a chord progression aims for a definite goal of establishing a tonality founded on a key, root or tonic chord
