POCKET CALCULATOR

Pocket Calculator

A calculator app that imitates the style and features of the TI-108 Elementary Calculator

User Manual

Elementary Arithmetic  +   −   ÷   × 

Order of operations is left to right
7.5 + 5.5 × 8 ÷ 4 = ?
7.5  +  5.5  ×  8  ÷  4  =  26

Correction  ON/C 

Pressing  ON/C  once clears the last number
Pressing  ON/C  twice clears the entire display
10 +  2  + 5 = ?
10  +  2  ON/C  12
5  =  15

Constant

The last operation is remembered and can be repeated by pressing  = 
2 + 3 = ? + 3 = ?
2  +  3  =  5
 =  8
2 × 3 = ?   5 × 3 = ?
2  ×  3  =  6
5  =  15

Memory  MRC   M+   M- 

Pressing  MRC  once recalls the value stored in memory
Pressing  MRC  twice in a row clears the value stored in memory
(5 × 9.99) − (12 × 1.25) = ?
 MRC   MRC 
5  ×  9.99  M+  49.95
12  ×  1.25  M-  15
 MRC  34.95

Exponent ( xn )

52 = ?
5  ×   =  25
53 = ?
5  ×   =   =  125
115 = ?
11  ×   =   =   =   =  161051

Inverse ( x-1 )

5-1 = ?
5  ÷   =  0.2
(5 + 20)-1 = ?
5  +  20  ÷   =  0.04

Percent  % 

100 × 5% = ?
100  ×  5  %   =  5
100 + 5% =?
100  +  5  %   =  105
150 − 75% = ?
100  −  75  %   =  25
15 ÷ 75 = ?%
15  ÷  75  %   =  20

Negation  ± 

5 × (−4) = ?
5  ×  4  ±   =  −20

Square Root  √ 

144  = ?
144  √   =  12