calcPad Examples

A simple expression with integers

Type 2x+52500

$2x+52500$

A polynomial with a fractional coefficient

1. Type 1/2 and press →
2. Type x^2 and press →
3. Type +4x+2

$\frac{1}{2}{x}^2+4x+2$

A simple inequality

Type x>=-4

$x\ge -4$

An expression with numbers and subscripted variables

1. Type 1/2 and press →
2. Type m_2 and press →
3. Type +4m_3

$\frac{1}{2}{m}_2+4m_3$

Set notation with fractions

1. Type (1/9 and press →
2. Type,2/7 and press →
3. Type,3/5

A square root

1. Type sqrt

   The square root symbol is created.

2. Type x

$\sqrt{x}$

A cube root

1. Click Functions ›
2. Type 3 and press →
3. Type x

$\sqrt[3]{x}$

An expression involving pi and Euler's number

1. Type pi+
2. Click Functions ›
3. Type 2

$\pi +{\mathit{e}}^2$

A square root

1. Type sqrt

   The square root symbol is created.

2. Type gh

$\sqrt{gh}$

A cube root

1. Click Operations ›
2. Type 3 and press →
3. Type m_1 and press →
4. Type m_2 and press →
5. Type m_3 and press →

$\sqrt[3]{m_1{m}_2{m}_3}$

An expression involving Euler's number

1. Click Operations ›
2. Type 2

${\mathit{e}}^2$

The natural logarithm of an absolute value

1. Type ln

   A set of parentheses is automatically added and your insertion point is put in the parentheses.

2. Type |x

   The closing vertical bar is automatically added.

$\ln \left(\left|x\right|\right)$

An inverse sine

1. Type sin

   A set of parentheses is automatically added and your insertion point is put in the parentheses.

2. Press ← and type ^-1
3. Press →→ and type x

Although you could type arcsin or use the tool button, this example illustrates how you can enter certain functions using the keyboard alone.

${\sin }^{-1}\left(x\right)$

A complex number

1. Type 2+3
2. Click Symbols ›

$2+3\mathit{i}$

An expression involving hbar (ħ)

1. Type 3
2. Click Symbols ›
3. Type ^2

$3{ħ}^2$

A vector in hatted i-j-k form

1. Type 5
2. Click Vectors ›
3. Type i and press →
4. Type +24
5. Click Vectors ›
6. Type j and press →
7. Type +4
8. Click Vectors ›
9. Type k

$5\widehat{ı}+24\widehat{ȷ}+4\widehat{k}$

A vector in vector bracket form

1. Click Vectors ›
2. Type 12, 15, 22

$⟨12,15,22⟩$

A vector in bold i-j-k form

1. Type 5
2. Click Vectors ›
3. Type +24
4. Click Vectors ›
5. Type +4
6. Click Vectors ›

$5\mathbf{i}+24\mathbf{j}+4\mathbf{k}$