Casio school calculator, FX-991 DEX Solar/Battery

The Casio FX-991 DEX is a scientific calculator designed for school use, combining solar and battery power for reliable operation. It features a dot-matrix display with a resolution of 192 x 63 pixels and 50 buttons for direct access to functions. Its desktop form factor and included cover make it a practical tool for students and professionals.

With dimensions of 77 mm in width, 165.5 mm in depth and 11.1 mm in height, and a weight of 90 g, it is compact and portable. The black design and button control type ensure a classic and durable user experience. The calculator supports one LR44 battery, and the dual power source (battery/solar) helps ensure it is ready when you need it.

Características principales

• Scientific calculator type
• Solar and battery power source (1 x LR44 battery supported)
• Dot-matrix display, 192 x 63 pixels, non-tilting, no backlight, no second display
• 50 keys with button control type
• Desktop form factor with protective cover
• Black product colour
• Dimensions: 77 mm width, 165.5 mm depth, 11.1 mm height; weight 90 g

Especificaciones técnicas

Preguntas frecuentes

What type of battery does the Casio FX-991 DEX use?

It supports one LR44 battery. The calculator can also run on solar power.

Does it have a backlit display?

No, the display is not backlit. It is a dot-matrix display with 192 x 63 pixel resolution.

Is a cover included?

Yes, the calculator comes with a cover.

How many keys does it have?

It has 50 keys with button control type.

Es para ti si...

• You need a scientific calculator for school or exams.
• You want dual power (solar and battery) for reliability.
• You prefer a desktop-style calculator with a protective cover.
• You value a compact and lightweight design (90 g).