# Add-in Functions, List of Analysis Functions Part One

[插入] – [函式] - [分類] [Add-In]

## BESSELI

Calculates the modified Bessel function of the first kind In(x).

### 語法

BESSELI(X; N)

X 是指計算函式所根據的數值。

N is a positive integer (N >= 0) representing the order of the Bessel function In(x)

### Examples

=BESSELI(3.45, 4), returns 0.651416873060081

=BESSELI(3.45, 4.333), returns 0.651416873060081, same as above because the fractional part of N is ignored.

=BESSELI(-1, 3), returns -0.022168424924332

## BESSELJ

Calculates the Bessel function of the first kind Jn(x) (cylinder function).

### 語法

BESSELJ(X; N)

X 是指計算函式所根據的數值。

N is a positive integer (N >= 0) representing the order of the Bessel function Jn(x)

### Examples

=BESSELJ(3.45, 4), returns 0.196772639864984

=BESSELJ(3.45, 4.333), returns 0.196772639864984, same as above because the fractional part of N is ignored.

=BESSELJ(-1, 3), returns -0.019563353982668

## BESSELK

Calculates the modified Bessel function of the second kind Kn(x).

### 語法

BESSELK(X; N)

X is the strictly positive value (X > 0) on which the function will be calculated.

N is a positive integer (N >= 0) representing the order of the Bessel function Kn(x)

### Examples

=BESSELK(3.45, 4), returns 0.144803466373734

=BESSELK(3.45, 4.333), returns 0.144803466373734, same as above because the fractional part of N is ignored.

=BESSELK(0, 3), returns Err:502 – invalid argument (X=0)

## BESSELY

Calculates the Bessel function of the second kind Yn(x).

### 語法

BESSELY(X; N)

X is the strictly positive value (X > 0) on which the function will be calculated.

N is a positive integer (N >= 0) representing the order of the Bessel function Yn(x)

### Examples

=BESSELY(3.45, 4), returns -0.679848116844476

=BESSELY(3.45, 4.333), returns -0.679848116844476, same as above because the fractional part of N is ignored.

=BESSELY(0, 3), returns Err:502 – invalid argument (X=0)

## BIN2DEC

### 語法

BIN2DEC(Number)

Number 是二進位數字。此數字最多可有 10 位數 (位元)。最重要的位元是正負符號位元。負數則會以二的補數輸入。

### 範例

=BIN2DEC(1100100) 傳回 100。

## BIN2HEX

### 語法

BIN2HEX(Number; Places)

Number 是二進位數字。此數字最多可有 10 位數 (位元)。最重要的位元是正負符號位元。負數則會以二的補數輸入。

Places 是指要輸出的位數。

### 範例

=BIN2HEX(1100100;6) 傳回 000064。

## BIN2OCT

### 語法

BIN2OCT(Number; Places)

Number 是二進位數字。此數字最多可有 10 位數 (位元)。最重要的位元是正負符號位元。負數則會以二的補數輸入。

Places 是指要輸出的位數。

### 範例

=BIN2OCT(1100100;4) 傳回 0144。

## DEC2BIN

### 語法

DEC2BIN(Number; Places)

Number 是小數。若 Number 為負數，則函式會傳回 10 個字元的二進位數字。最重要的位元是正負符號位元，其他 9 個位元則會傳回數值。

Places 是指要輸出的位數。

### 範例

=DEC2BIN(100;8) 傳回 01100100。

## DEC2HEX

### 語法

DEC2HEX(Number; Places)

Number 是小數。若 Number 為負數，則函式會傳回 10 個字元 (40 個位元) 的十六進位數字。最重要的位元是正負符號位元，其他 39 個位元則會傳回數值。

Places 是指要輸出的位數。

### 範例

=DEC2HEX(100;4) 傳回 0064。

## DEC2OCT

### 語法

DEC2OCT(number;places)

Number 是小數。若 Number 為負值，則函式會傳回 10 個字元 (30 個位元) 的八進位數字。最重要的位元是正負符號位元，其他 29 個位元則會傳回數值。

Places 是指要輸出的位數。

### 範例

=DEC2OCT(100;4) 傳回 0144。

## DELTA

### 語法

DELTA(Number1; Number2)

### 範例

=DELTA(1;2) 傳回 0。

## ERF

### 語法

ERF(LowerLimit; UpperLimit)

LowerLimit 是指整數的下限。

UpperLimit 是選用項目。此為整數的上限。若缺少此值，會在 0 與下限之間進行計算。

### 範例

=ERF(0;1) 傳回 0.842701。

## ERF.PRECISE

Returns values of the Gaussian error integral between 0 and the given limit.

### 語法

ERF.PRECISE(LowerLimit)

LowerLimit is the limit of the integral. The calculation takes places between 0 and this limit.

### 範例

=ERF.PRECISE(1) returns 0.842701.

## ERFC

### 語法

ERFC(LowerLimit)

LowerLimit 是指整數的下限

### 範例

=ERFC(1) 傳回 0.157299。

## ERFC.PRECISE

Returns complementary values of the Gaussian error integral between x and infinity.

### 語法

ERFC.PRECISE(LowerLimit)

LowerLimit 是指整數的下限

### 範例

=ERFC.PRECISE(1) returns 0.157299.

## GESTEP

Number 大於或等於 Step，則結果為 1。

### 語法

GESTEP (Number; Step)

### 範例

=GESTEP(5;1) 傳回 1。

## HEX2BIN

### 語法

HEX2BIN(Number; Places)

Number is a hexadecimal number or a string that represents a hexadecimal number. It can have a maximum of 10 places. The most significant bit is the sign bit, the following bits return the value. Negative numbers are entered as two's complement.

Places 是指要輸出的位數。

### 範例

=HEX2BIN("6a";8) returns 01101010.

## HEX2DEC

### 語法

HEX2DEC(number)

Number is a hexadecimal number or a string that represents a hexadecimal number. It can have a maximum of 10 places. The most significant bit is the sign bit, the following bits return the value. Negative numbers are entered as two's complement.

### 範例

=HEX2DEC("6a") returns 106.

## HEX2OCT

### 語法

HEX2OCT(Number; Places)

Number is a hexadecimal number or a string that represents a hexadecimal number. It can have a maximum of 10 places. The most significant bit is the sign bit, the following bits return the value. Negative numbers are entered as two's complement.

Places 是指要輸出的位數。

### 範例

=HEX2OCT("6a";4) returns 0152.