Victor 900 - Manual (Page 14)

Lesson 4: Subtraction
Victor 900 Calculator Teacher’s Guide 14
TRANSPARENCY
Subtraction
9 - 5 = ?
8 - 1 - 2 = ?
Press these buttons: The calculator shows:
. ON/C . 0.
9 - . 9.
5 . 5.
= . 4.
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. ON/C . 0.
8 - . 8.
1 . 1.
- . 7.
2 . 2.
= . 5.