CASIO

Example 1: To input 23 + 1

• 23
• 

• 1
• 

Example 2: To input 1 + √2 + 3

• 12
• 

• 3
• 

Example 3: To input 3 ¹₂ + 5 ³₂

• ()
• 

• 312
• 

• () 532
• 

Example 4: To input ( 1 + ²₅ )2 × 2

• 1252
• 

Example 5: To input ^{2 + √2}_{1 + √2}

• 2212
• 

Tip: While the input cursor is located within the input area of a template (mixed fractions), pressing jumps to the position immediately following (to the right) of the template, while pressing jumps to the position immediate before (to the left of) it.

To undo the last key operation, press (UNDO).
To redo a key operation you have just undone, press (UNDO) again.

When using natural textbook format, you can incorporate part of an input expression (a value, an expression within parentheses, etc.) into a function.

Example: To incorporate the expression inside of the parentheses of 1 + (2 + 3) + 4 into the √  function

• 1234
  
• 

• (INS)
• 

This changes the shape of the cursor as shown here.

• 
• 

This incorporates the expression in the parentheses into the function √　.