Specifications:

• With or without battery: yes
• Voice function or not: yes
• Usage: Other
• texture of material: Calculadora Cientifica
• Style: Scientific
• product type: Function calculator
• Power Source: Battery
• Net weight: 130g
• model: Scientific Calculator
• Model Number: 991EX
• Max. Digits: 12
• Material: Plastic
• Display digits: 12
• colour: black
• category: Calculator
• Category 7: Examination supplies
• Category 6: calculator
• Category 5: Scientific calculator
• Category 4: Student supplies
• Category 3: Financial supplies
• Category 2: Office Supplies
• Category 1: computing equipment
• Brand Name: YOAINGO
• Article No: 991EX
• Applicable Battery Type: Coin Batteries
• Adaptive battery: The button battery