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The Casio MS-80B is a versatile desktop calculator designed for everyday use, featuring an 8-digit display with 16-digit approximations for enhanced precision. It is equipped with both solar power and a mercury-free battery backup, ensuring reliable operation in various lighting conditions. This calculator includes specialized functions for tax and currency exchange, making it ideal for financial calculations. Additional features such as independent memory, markup percent, and three-digit comma markers contribute to its efficiency and ease of use.
Figure 1: Casio MS-80B Desktop Solar Tax Calculator, showing its display and key layout.
Característiques clau
- Tax and Currency Exchange Function: Simplifies complex financial calculations involving taxes and currency conversions.
- Pantalla gran i fàcil de llegir: Ensures clear visibility of numbers and results.
- Memòria independent: Allows for storage and recall of numbers for multi-step calculations.
- Marcadors de comes de 3 dígits: Enhances readability of large numbers by automatically inserting commas.
- Energia solar amb bateria de seguretat: Operates efficiently using solar energy and includes a battery for low-light conditions.
- Markup Percent Function: Facilitates quick calculation of profit margins.
Configuració
- Encès: The calculator is designed for "Two Way Power" (solar and battery). Place the calculator in a well-lit area to utilize solar power. If the display does not appear, press the ON botó.
- Pantalla inicial: Upon powering on, the display should show "0." or "0". If not, press the AC (All Clear) button.
- Establiment del tipus impositiu:
- Premeu SET %.
- Enter the desired tax rate (e.g., for 5%, enter 5).
- Premeu SET % again to save the rate. The display will show the set tax rate.
Instruccions de funcionament
Càlculs bàsics
- Addició (+): Enter first number, press +, enter second number, press =.
- Resta (-): Enter first number, press -, enter second number, press =.
- Multiplicació (×): Enter first number, press ×, enter second number, press =.
- Divisió (÷): Enter first number, press ÷, enter second number, press =.
- Clarificar entrada (C): Clears the last entered number or calculation.
- Tot esborrat (AC): Clears all entries and memory, resetting the calculator to zero.
Funcions de memòria
- Memòria Plus (M+): Afegeix el valor mostrat a la memòria.
- Memòria Menys (M-): Resta el valor mostrat de la memòria.
- Memory Recall/Clear (MRC): Premeu una vegada per recuperar el valor de la memòria. Premeu dues vegades per esborrar la memòria.
Tax and Percentage Funcions
- Tax Plus (TAX+): Adds the pre-set tax rate to the displayed value.
- Tax Minus (TAX-): Subtracts the pre-set tax rate from the displayed value.
- Percenttage (%): Calcula el percentatgetages. Per example, to find 15% of 200: enter 200, press ×, introduïu 15, premeu %.
- Markup Percent (SET %): Used to set the tax rate as described in the Setup section.
Altres Funcions
- Change Sign (±): Canvia el signe del nombre que es mostra (de positiu a negatiu o de negatiu a positiu).
- Arrel quadrada (√): Calcula l'arrel quadrada del nombre mostrat.
- Mode (M/EX): This button is typically used for mode selection in more advanced calculators. For the MS-80B, it may relate to memory or exchange functions depending on the specific model variant. Refer to the display indicators for its current function.
Manteniment
- Neteja: Netegeu la calculadora amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
- Bateria: The calculator uses a mercury-free battery as a backup for solar power. Under normal use, the battery should last for an extended period. If the display becomes dim or unresponsive in sufficient light, the battery may need replacement. Battery replacement is typically not user-serviceable and should be performed by a qualified technician if necessary.
- Emmagatzematge: Guardeu la calculadora en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla està en blanc o tènue. | Insufficient light for solar power, or low battery. | Move the calculator to a brighter area. If the problem persists, the backup battery may need replacement (contact service). |
| Resultats de càlcul incorrectes. | Incorrect input, or memory not cleared. | Premeu AC to clear all values and memory, then re-enter the calculation. Ensure correct tax rate is set if using tax functions. |
| La calculadora no respon a les tecles premudes. | Mal funcionament temporal. | Premeu OFF i després ON again. If unresponsive, try pressing AC. |
Especificacions
| Marca | Casio |
| Número de model | MS-80B |
| Mostra els dígits | 8 (16-digit approximations) |
| Font d'alimentació | Solar Powered with Mercury-Free Battery Backup |
| Dimensions (L x A x A) | 1.1 x 4.1 x 0.1 polzades |
| Pes de l'article | 5.6 unces |
| Color | Gris |
| Tipus de calculadora | Financial / Basic Office |
Garantia i Suport
This Casio product is covered by a manufacturer's warranty. For specific warranty details, please refer to the warranty card included with your purchase or visit the official Casio website. For technical support, troubleshooting assistance, or service inquiries, please contact Casio customer support through their official channels. Keep your purchase receipt as proof of purchase for warranty claims.
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