Feature(may vary by option.)
●1. Multi-functional Function Calculator: This 991ES calculator supports 417 functions and functions from equations to complex functions. Equipped with a high-definition LCD display, it is gentle on the eyes and clearly visible numbers and symbols. Perfect for electrical, civil engineering, and architectural workers and college students who need a Scientific Calculator. Versatile function for a wide range of uses, from learning to research
●2. Convenient Electronic Memo Pad: Equipped with an electronic memo pad that is almost the same size as a calculator, it can easily record the results of calculations. Electronic memo pad with calculator helps you organize your thoughts during calculation, or as a reminder for emergencies. The electronic pad has a key eraser and lock function so you can write it about 50,000 times. Durable
●3. (4 Line Display) This calculator has a program function. The 4-line display allows you to quickly process complex and repetitive calculations, which greatly reduces the time it takes to calculate. Perfect for those who do complex calculations on a daily basis
●4. Foldable: The electronic memo pad with calculator weighs only 5.3 oz (150 g), and when folded, it can be easily portable. Lightweight and small enough to easily fit in your handbag. Easy to carry, can be used at any time in meetings, learning, negotiations, etc. Foldable design maximizes protection from dust and scratches on the surface of the calculator and pad
●5. (Solar Charging/Button Battery) This calculator is compatible with replacing button batteries and solar charging. Easy to replace button batteries when the power is off, and the calculator will be fully charged immediately. Convenience is excellent. In addition, if you suddenly run out of electricity while on the go, you can charge the calculator with the solar panel, so you dont have to worry about the calculator will not work
[Not collapsible]
[991 MS]
[Foldable]
Description
Perfect for electrical, civil engineering, and architectural workers and college students who need a Scientific Calculator. Versatile function for a wide range of uses, from learning to research.