** Contents:**
Decimal.
Fraction a/b.
Product of numbers a*b.
Pi (ฯ).
Euler's number e.
E is a letter meaning 10^{n}.
Square root Sqrt(x).
Root of any degree Root(n, x).
Exponentiation Pow(n, x).
Logarithm Log(n, x).
Natural logarithm Ln(n).
Common logarithm Lg(n).
Binary logarithm Lb(n).
Greatest common divisor Gcd(n, m).
Least common multiple Lcm(n, m).
Trigonometric functions.
Sine of an angle Sin(x).
Cosine of an angle Cos(x).
Tangent of an angle Tan(x).
Cotangent of an angle Cot(x).
Secant of an angle Sec(x).
Cosecant of an angle Csc(x).
Inverse trigonometric functions.
Arcsine Asin(x).
Arccosine Acos(x).
Arctangent Atan(x).
Arccotangent Acot(x).
Arcsecant Asec(x).
Arcsecant Acsc(x).
Expressions containing multiple embedding of functions and mathematical operations.

** Decimal **

__Notation__:

Use a point or a comma to write a fraction

__Examples__:

1.12 or 1,12

** Fraction a/b**

__Notation__:

To enter fractions, use the sign ยซ/ยป

__Examples__:

1/2 or 3/4

** Product of numbers **

__Notation__:

To write the product of two numbers, use the sign ยซ*ยป

__Examples__:

5*4

** Pi (ฯ)**

__Notation__:

To write the number ฯ, enter ยซฯยป, or ยซpiยป.

__Examples__:

Sin(ฯ)

** Euler's number e **

e = 2.7182818284...

__Notation__:

To write the number e enter e or E.

__Examples__:

Cos(e)

** E is a letter meaning 10**^{n}

__Notation__:

The letter E should only be in the number

__Examples__:

16e+6

16e-4

3.96e+3

** Square root Sqrt(x)**

__Notation__:

Sqrt(x), where

x โ any non-negative number or expression.

__Examples__:

Sqrt(3)

Sqrt(3/5)

Sqrt(3*3)

** Root of any degree Root(n, x)**

__Notation__:

Root(n, x), where

n โ redicand

x โ index

x, n โ any numbers or expressions.

For an even root, the redicand cannot be negative.

__Examples__:

Cubic root of fraction 2/5

Root(2/5, 3)

Other examples

Root(1.5, 3)

Root((3*5), 3/2)

Root(1.5, 3/7)

** Exponentiation Pow(n, x)**

__Notation__:

Pow(n, x), where

n โ base

x โ exponent or power

x, n โ any numbers or expressions.

__Examples__:

Five to the power of three

Pow(5, 3)

Other examples

Pow(12.5, 3)

Pow((3-5), 3/2)

Pow(1.5, Sqrt(2))

** Logarithm Log(n, x)**

__Notation__:

Log(n, x), where

n โ the number whose logarithm you want to find

x โ base.

x > 0, x โ 1, n > 0

__Examples__:

Log5 34 (logarithm of 34 to base 5), should be written as

Log(34, 5)

** Natural logarithm Ln(n) **

The base is equal to Euler's number e

(e = 2.7182818284...)

__Notation__:

Ln(n), where

n > 0<

__Examples__:

Ln(7)

** Common logarithm Lg(n)**

The logarithm base 10

__Notation__:

Lg(n), where

n > 0

__Examples__:

Lg(1.6)

** Binary logarithm Lb(n)**

The logarithm base 2

__Notation__:

Lb(n), where

n > 0

__Examples__:

Lb(3/6)

** Greatest common divisor Gcd(n, m)**

__Notation__:

Gcd(n, m), where

n, m โ non-negative integers

__Examples__:

Gcd(12; 16) should be written as

Gcd(12, 16)

** Least common multiple Lcm(n, m)**

__Notation__:

Lcm(n, m), where

n, m โ non-negative integers

__Examples__:

Lcm(4; 23) should be written as

Lcm (4, 23)

**
Trigonometric functions
**

All trigonometric functions take one or two arguments. If the function takes one argument, then the number is considered to be in radians.

**Sine of an angle Sin(x)**

__Notation__:

Sin(x)

Sin(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Sine ฯ/3 radians

Sin(ฯ/3) or Sin(ฯ/3, Rad)

Sine 60ยฐ degrees

Sin(60, Deg)

**Cosine of an angle Cos(x)**

__Notation__:

Cos(x)

Cos(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Cosine ฯ/3 radians

Cos(ฯ/3) or Cos(ฯ/3, Rad)

Cosine 60ยฐ degrees

Cos(60, Deg)

**Tangent of an angle Tan(x)**

__Notation__:

Tan(x)

Tan(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Tangent ฯ/3 radians

Tan(ฯ/3) or Tan(ฯ/3, Rad)

Tangent 60ยฐ degrees

Tan(60, Deg)

**Cotangent of an angle Cot(x)**

__Notation__:

Cot(x)

Cot(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Cotangent ฯ/3 radians

Cot(ฯ/3) or Cot(ฯ/3, Rad)

Cotangent 60ยฐ degrees

Cot(60, Deg)

**Secant of an angle Sec(x)**

__Notation__:

Sec(x)

Sec(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Secant ฯ/3 radians

Sec(ฯ/3) or Sec(ฯ/3, Rad)

Secant 60ยฐ degrees

Sec(60, Deg)

**Cosecant of an angle Csc(x)**

__Notation__:

Csc(x)

Csc(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Cosecant ฯ/3 radians

Csc(ฯ/3) or Csc(ฯ/3, Rad)

Cosecant 60ยฐ degrees

Csc(60, Deg)

**
Inverse trigonometric functions
**

All inverse trigonometric functions take one or two arguments. If the function takes one argument, then the function will return the solution in radians.

**Arcsine Asin(x)**

__Notation__:

Asin(x)

Asin(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Arcsine 1/3 (get the solution in radians)

Asin(1/3) or Asin(1/3, Rad)

Arcsine 1/3 (get the solution in degrees)

Asin(1/3, Deg)

**Arccosine Acos(x)**

__Notation__:

Acos(x)

Acos(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Arccosine 1/3 (get the solution in radians)

Acos(1/3) or Acos(1/3, Rad)

Arccosine 1/3 (get the solution in degrees)

Acos(1/3, Deg)

**Arctangent Atan(x)**

__Notation__:

Atan(x)

Atan(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Arctangent 1/3 (get the solution in radians)

Atan(1/3) or Atan(1/3, Rad)

Arctangent 1/3 (get the solution in degrees)

Atan(1/3, Deg)

**Arccotangent Acot(x)**

__Notation__:

Acot(x)

Acot(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Arccotangent 1/3 (get the solution in radians)

Acot(1/3) or Acot(1/3, Rad)

Arccotangent 1/3 (get the solution in degrees)

Acot(1/3, Deg)

**Arcsecant Asec(x)**

__Notation__:

Asec(x)

Asec(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Arcsecant 1/3 (get the solution in radians)

Asec(1/3) or Asec(1/3, Rad)

Arcsecant 1/3 (get the solution in degrees)

Asec(1/3, Deg)

**Arcsecant Acsc(x)**

__Notation__:

Acsc(x)

Acsc(x, measure)

Where

x โ number

measure โ can take values Rad or Deg

__Examples__:

Arcsecant 1/3 (get the solution in radians)

Acsc(1/3) or Acsc(1/3, Rad)

Arcsecant 1/3 (get the solution in degrees)

Acsc(1/3, Deg)

**
Expressions containing multiple embedding of functions and mathematical operations
**

Any expression can contain other expressions, the limit on the length of an expression is 100 characters.

__Examples__:

Root(Pow(3, 6), 2);

(5/2-4)*34/5-(Root(3, 2))

(12-123+5)/(12.45*(34/6))

Sin(60, Deg)+Cos(45, Deg)

etc.