orlovskaya

+ plus

—

minus

± plus or minus

= is equal to, equals * does not equal

s identical, identically equal to

~ equivalent, similar (is similar to) > is greater than < is less than -> approaches

oo varies as, is propotional to oo infinity

ab a times b; a multiplied by b

a/b the ratio of a to b; a divided by b proportion: a is to b as с is to d

an the л-th power of a; aaa... to n factors

radical sign

*Ja square root of a

a~n the reciprocal of an\ \/an log a common logarithm of a

logio я logarithm of a to the base 10 In a natural logarithm of a F(x), f(x) function of x У = f(x) У is a function of x

—,f--X^thederivativeof у

dx dx

with respect to x

the second derivative of у

doc

with respect to x a’ "[ei] prime, dash д"[еi] second, double prime, double dashed

an [ei] sub n, subscribed n \ integral sign

Я double integral ( ) parentheses

[ ] brackets { } braces

LCM (1cm) least common multiple GCD (gcd) greatest common divisor

ПРИЛОЖЕНИЕ9

Z angle L right angle

J_ perpendicular (is perpendicular to)

| | parallel (is parallel to)

Д triangle о parallelogram □ square

О circle

П arc; АЛВ (arc AB)

0 degrees (of arc or angle)

' minutes of arc or angle; foot, feet " seconds (of arc or angle); inches sin A — sine of A

cos A — cosine of A tan A — tangent of A

cot A (or ctn A) - cotangent of A sec A — secant of A

cosec A (or esc A) — cosecant of A

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A few examples of reading mathematical expressions

Arithmetic

Addition

12 + 13 = 25 Twelve plus thirteen is (masks equals) twenty-five addend

— слагаемое sum — сумма

Subtraction 71 — 24 = 47

Seventy one minus twenty four is (equals ) fortyseven

minuend — уменьшаемое subtrahend — вычитаемое remainder, difference - разность

Multiplication 8 x 6 = 48 Six

times eight is forty-eight (eight multiplied by six is forty-eight) multiplicant — множимое multiplier (factor) — множитель product — произведение

Division

90 : 9 = 10 Ninety divided by nine is ten

divident — делимое divisor —

делитель quotient — частное

nato raise to a power — возводить в

r)степень

in the second power — во второй степени, в квадрате

in the third power — в третьей степени, в кубе in the power

— в л-ной степени

З3 3 cubed (three to the third power) 3a2 three a to the second power (3

— coefficient; a — base; 2 — expo-

common denomina- 0.06

nought point nought six (0 four (0[eu] point 0 [au] six)

.2 point two (period two, two

tenth)

.37 point thirty seven (period thirtyseven)

652.47 six hundred fifty-two point forty seven (six five two point fortyseven)

1.007 one point 0 [au] 0 [au] seven

nent)

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