Examples of Physics Notation with physPad

The following examples illustrate entry of some common expressions.

Expression

Do this

To display this

An expression with numbers and subscripted variables
  1. Type 1/2 and press the RIGHT ARROW key
  2. Type m_2 and press the RIGHT ARROW key
  3. Type +4m_3 
 one halfm2 + 4m3

A square root

Type sqrt(gh 
square root of g h

A cube root
  1. Click Math > image: nth root button 
  2. Type 3 and press the RIGHT ARROW key
  3. Type m_1 and press the RIGHT ARROW key
  4. Type m_2 and press the RIGHT ARROW key
  5. Type m_3 and press the RIGHT ARROW key
cube root of m1 m2 m3

An expression involving Euler's number
  1. Click Math > image: Euler's number button 
  2. Type 2 

e2 

An expression involving hbar (ħ)
  1. Type 3 
  2. Click Symbols > image: h-bar button 
  3. Type ^2 

3ħ2 

A vector in hatted i-j-k form
  1. Type 5 
  2. Click Vectors > image: hat button 
  3. Type i and press the RIGHT ARROW key
  4. Type +24 
  5. Click Vectors > image: hat button 
  6. Type j and press the RIGHT ARROW key
  7. Type +4 
  8. Click Vectors > image: hat button 
  9. Type k 
five hatted i plus 24 hatted j plus 4 hatted k

A vector in bold i-j-k form
  1. Type 5 
  2. Click Vectors > image: i vector button 
  3. Type +24 
  4. Click Vectors > image: j vector button 
  5. Type +4 
  6. Click Vectors > image: k vector button 

5i + 24j +4k

A vector in vector bracket form
  1. Click Vectors > image: angle bracket button 
  2. Type 5, 24, 4 

〈5, 24, 4〉
Parent topic: Answer physPad Questions
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