Casio fx-100MS User Manual page 37

Dimensions (H×W×D)/Approximate Weight (including the battery)
fx-100MS
fx-115MS
fx-570MS
fx-991MS
B
20.0 × 78 × 155 mm
13 1
/ × 3 / × 6
16 16
12.6 × 80 × 159 mm
1 1 1
/ × 3 / × 6
2 8
12.7 × 78 × 154.5 mm
1 1
/ × 3 / × 6
2 16
1
/
8
/
4
1
/
16
E-36
133 g
(4.7 oz)
100 g
(3.5 oz)
105 g
(3.7 oz)