Term overview


Mathematical representation Name in english Name in latvian
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1. General terms
1.1. Absolute basics
a + b = c Addition (plus) Saskaitīšana (pluss)
a - b = c Subtraction Atņemšana
a × b = c Multiplication Reizināšana
a ÷ b = c Division (a- dividend, b- divisor) Dalīšana (a- skaitītājs, b- saucējs)
an = a × a × a × ... × a Power Kāpināšana
A raised to the power n / a raised to the nth power...;
A pakāpē n...
n√a = b Root Sakne
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logab = c Logarithm Logaritms
Logarithm of b to base a is c;
Skaitļa b logaritms pie bāzes a ir c
1.2. Sets
1.2.1. Basic definitions
A set of elements: A, B, C, X, Y, R... Set Kopa
Elements of a set: a, b, c, x, y... Elements, also members Elementi
a ∈ A Element a belongs to A or is in A Elements a pieder kopai A
b ∉ A or b ⋶ A b is not in A b nepieder kopai A
Empty set Tukša kopa
Finite set A set with an element count such that can be expressed with a certain natural number n Galīga kopa- kopa, kuras elementu skaitu var izteikt ar noteiktu naturālu skaitli n
Infinite set A set with an element count such that cannot be expressed with natural numbers Bezgalīga kopa- kopa, kuras elementu skaits ir lielāks nekā jebkurš naturāls skaitlis
Not a complete entry
1.1.2. Number sets
ℕ (ex. 1, 5, 9) Natural numbers Naturālo skaitļu kopa
Whole numbers above, and possibly excluding, 0
ℤ (ex. 0, -1, 3) Integers Veselo skaitļu kopa
Whole numbers above, below, and including 0
ℚ (ex. (1/8), 3.1515... Rational numbers Racionālo skaitļu kopa
Numbers that can be expressed as a ratio of integers
Ex. √2 = 1.4142135... Irrational numbers Irracionāli skaitļi
A number that cannot be expressed as a ratio of integers, non-periodic decimal number sequence;
Skaitlis, kuru nevar izteikt ar daļskaitli, bezgalīgi neperiodiski decimāldaļskaitļi
Real numbers Reālo skaitļu kopa
Combination of rational and irrational number sets
ℂ (ex. z = a+bi, where a∈R, b∈R, i=√-1, i2=-1) Complex numbers Komplekso skaitļu kopa
ℕ ⊂ ℤ ⊂ ℚ ⊂ ℝ ⊂ ℂ
1.3. Trigonometry
1.3.1. Angles
Zero angle -
<90° Acute angle Šaurleņķis
90° Right angle Taisnleņķis
>90° and <180° Obtuse angle Platleņķis
180° Straight angle Izstiepts leņķis
>180° and <360° Reflex angle Atvērtais leņķis
360° Full angle Pilnais leņķis
1.4. Geometry
1.4.1. Circles
⌒AB (length denoted by s) Arc Loks
2. Calculus
2.1. Fundamentals
2.1.1. Limits
lim (n -> ∞) xn = a Limit Robeža
The limit as n approaches infinity of x equals a;
Lim n tiecās uz bezgalību (no kreisās puses) no xn vienāds ar a (no lielākiem tiecoties uz mazākiem lasa "no labās puses")
Convergent sequence - Konverģenta virkne
The sequence converges to some limit;
Virknei eksistē galīga robeža
Divergent sequence - Diverģenta virkne
The sequence does not converge;
Virknei neeksistē galīga robeža
2.1.2. Differentiation
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2.1.3. Integrals
Integral Integrālis
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Notes

Sources

1. Siliņa, B., Šteiners, K. Rokasgrāmata matemātikā. Apgāds Zvaigzne ABC; 2006