fx-82MS fx-82TL fx-9860GII TI-83
+
On a Casio calculator you can add
+
Example 1
To calculate 6 + 3 × 5 = 21
6 + 3 × 5 EXE 6+3×5 21
Example 2
To calculate 2 + − 1 = 1
2 + (–) 1 EXE 2+-1 1
Exemple 3
To calculate 
1 ab/c 2 ► + 1 · 6 EXE F↔D 2.1
Results of calculations that mix fraction and decimal values are always decimal.
Exemple 4
To calculate (4 + 1i) + (2 + 3i) = 6 + 4i
i Z
i 4 + SHIFT 0 + 2 + 3 SHIFT 0 EXE 4+i+2+3i 6+4i