# 10-key calculators

*/Products/10-key_calculators*

Desktop calculator

## Product Bo M

**Input To**:
- [Bookkeeping](/Processes/Bookkeeping)
- [Office Supply Distribution](/Processes/Office_Supply_Distribution)
**Summary**: A desktop electronic calculator with a ten-key numeric pad, often paired with a printing or large-digit display, used for accounting and bookkeeping arithmetic. It assembles standard electronic and keypad components into a finished office device.
**Output Of**:
- [Electronic Assembly](/Processes/Electronic_Assembly)
- [Injection Molding](/Processes/Injection_Molding)
**Components**:
- Name: Membrane Keypad · Quantity Note: the ten-key numeric entry surface · Required Input: 
- Name: Printed Circuit Board · Quantity Note: carries the processor and driver circuitry · Required Input: Copper Clad Laminate
- Name: Calculator Microcontroller · Quantity Note: executes the arithmetic logic · Required Input: 
- Name: Liquid Crystal Display · Quantity Note: shows entered values and results · Required Input: 
- Name: Plastic Housing · Quantity Note: injection-molded top and bottom shell · Required Input: ABS Plastic Resin
- Name: Printer Mechanism · Quantity Note: optional roll-paper printing unit on printing models · Required Input: 
- Name: Solar Cell · Quantity Note: ambient-light power source on dual-power models · Required Input: 
**Packaged In**:
- [Retail Carton](/Products/Retail_Carton)
**Warranted By**:
- [Consumer Electronics Warranty Plan](/Services/Consumer_Electronics_Warranty_Plan)
**Physical Good**: true
**Produced With**:
- [Pick and Place Machine](/Products/Pick_and_Place_Machine)
- [Injection Molding Machine](/Products/Injection_Molding_Machine)
- [Reflow Soldering Oven](/Products/Reflow_Soldering_Oven)
**Runs Software**:
- [Calculator Firmware](/Software/Calculator_Firmware)
**Assembled From**:
- [Keypad Assembly](/Products/Keypad_Assembly)
- [Display Module](/Products/Display_Module)
**Consumes To Make**:
- [Solder](/Products/Solder)
- [Adhesive](/Products/Adhesive)
**Has Measurement**:
- [Digit Display Capacity](/Metrics/Digit_Display_Capacity)
- [Keystroke Durability](/Metrics/Keystroke_Durability)
- [Battery Life](/Metrics/Battery_Life)
**Transforms Into**:
- [Office Equipment Bundle](/Products/Office_Equipment_Bundle)

## Neighborhood

### Parent

- [Desktop calculator](/Products/Desktop_calculator) — parent · Products

### Siblings

- [Calculators](/Products/Calculators) — siblings · Products
- [Desktop calculators](/Products/Desktop_calculators) — siblings · Products
- [Large display calculators](/Products/Large_display_calculators) — siblings · Products
- [Talking calculators](/Products/Talking_calculators) — siblings · Products

### Related (uses tool)

- [Cloud-based Bookkeeping Practice](/CompanyTypes/Cloud-based_Bookkeeping_Practice) — uses tool · CompanyTypes
- [Regional Accounting & Tax Practice](/CompanyTypes/Regional_Accounting_&_Tax_Practice) — uses tool · CompanyTypes

### Who uses this

- [Stockers and Order Fillers](/Occupations/Stockers_and_Order_Fillers) — uses · Occupations
- [Construction and Building Inspectors](/Occupations/Construction_and_Building_Inspectors) — uses · Occupations
- [Insurance Claims and Policy Processing Clerks](/Occupations/Insurance_Claims_and_Policy_Processing_Clerks) — uses · Occupations
- [Executive Secretaries and Executive Administrative Assistants](/Occupations/Executive_Secretaries_and_Executive_Administrative_Assistants) — uses · Occupations
- [Mail Clerks and Mail Machine Operators, Except Postal Service](/Occupations/Mail_Clerks_and_Mail_Machine_Operators,_Except_Postal_Service) — uses · Occupations
- [Office Clerks, General](/Occupations/Office_Clerks,_General) — uses · Occupations
- [Statistical Assistants](/Occupations/Statistical_Assistants) — uses · Occupations
- [Billing and Posting Clerks](/Occupations/Billing_and_Posting_Clerks) — uses · Occupations
- [Telephone Operators](/Occupations/Telephone_Operators) — uses · Occupations
- [First-Line Supervisors of Office and Administrative Support Workers](/Occupations/First-Line_Supervisors_of_Office_and_Administrative_Support_Workers) — uses · Occupations
- [Securities, Commodities, and Financial Services Sales Agents](/Occupations/Securities,_Commodities,_and_Financial_Services_Sales_Agents) — uses · Occupations
- [Gambling Change Persons and Booth Cashiers](/Occupations/Gambling_Change_Persons_and_Booth_Cashiers) — uses · Occupations
- [Human Resources Assistants, Except Payroll and Timekeeping](/Occupations/Human_Resources_Assistants,_Except_Payroll_and_Timekeeping) — uses · Occupations
- [New Accounts Clerks](/Occupations/New_Accounts_Clerks) — uses · Occupations
- [Library Assistants, Clerical](/Occupations/Library_Assistants,_Clerical) — uses · Occupations
- [Brokerage Clerks](/Occupations/Brokerage_Clerks) — uses · Occupations
- [Tellers](/Occupations/Tellers) — uses · Occupations
- [Payroll and Timekeeping Clerks](/Occupations/Payroll_and_Timekeeping_Clerks) — uses · Occupations
- [Gambling Cage Workers](/Occupations/Gambling_Cage_Workers) — uses · Occupations
- [Bookkeeping, Accounting, and Auditing Clerks](/Occupations/Bookkeeping,_Accounting,_and_Auditing_Clerks) — uses · Occupations
- [Residential Advisors](/Occupations/Residential_Advisors) — uses · Occupations
- [Gambling and Sports Book Writers and Runners](/Occupations/Gambling_and_Sports_Book_Writers_and_Runners) — uses · Occupations
- [Amusement and Recreation Attendants](/Occupations/Amusement_and_Recreation_Attendants) — uses · Occupations
- [First-Line Supervisors of Gambling Services Workers](/Occupations/First-Line_Supervisors_of_Gambling_Services_Workers) — uses · Occupations
- [Food Servers, Nonrestaurant](/Occupations/Food_Servers,_Nonrestaurant) — uses · Occupations
- [Health Information Technologists and Medical Registrars](/Occupations/Health_Information_Technologists_and_Medical_Registrars) — uses · Occupations
- [Medical Records Specialists](/Occupations/Medical_Records_Specialists) — uses · Occupations
- [Title Examiners, Abstractors, and Searchers](/Occupations/Title_Examiners,_Abstractors,_and_Searchers) — uses · Occupations
- [Social and Human Service Assistants](/Occupations/Social_and_Human_Service_Assistants) — uses · Occupations
- [Urban and Regional Planners](/Occupations/Urban_and_Regional_Planners) — uses · Occupations
- [Economists](/Occupations/Economists) — uses · Occupations
- [Actuaries](/Occupations/Actuaries) — uses · Occupations
- [Financial Risk Specialists](/Occupations/Financial_Risk_Specialists) — uses · Occupations
- [Insurance Underwriters](/Occupations/Insurance_Underwriters) — uses · Occupations
- [Personal Financial Advisors](/Occupations/Personal_Financial_Advisors) — uses · Occupations
- [Financial and Investment Analysts](/Occupations/Financial_and_Investment_Analysts) — uses · Occupations
- [Credit Analysts](/Occupations/Credit_Analysts) — uses · Occupations
- [Accountants and Auditors](/Occupations/Accountants_and_Auditors) — uses · Occupations
- [Tax Preparers](/Occupations/Tax_Preparers) — uses · Occupations
- [Tax Examiners and Collectors, and Revenue Agents](/Occupations/Tax_Examiners_and_Collectors,_and_Revenue_Agents) — uses · Occupations
- [Loan Officers](/Occupations/Loan_Officers) — uses · Occupations
- [Financial Examiners](/Occupations/Financial_Examiners) — uses · Occupations
- [Compensation, Benefits, and Job Analysis Specialists](/Occupations/Compensation,_Benefits,_and_Job_Analysis_Specialists) — uses · Occupations
- [Human Resources Specialists](/Occupations/Human_Resources_Specialists) — uses · Occupations
- [Compliance Officers](/Occupations/Compliance_Officers) — uses · Occupations
- [Social and Community Service Managers](/Occupations/Social_and_Community_Service_Managers) — uses · Occupations
- [Property, Real Estate, and Community Association Managers](/Occupations/Property,_Real_Estate,_and_Community_Association_Managers) — uses · Occupations
- [Lodging Managers](/Occupations/Lodging_Managers) — uses · Occupations
- [Gambling Managers](/Occupations/Gambling_Managers) — uses · Occupations
- [Chief Executives](/Occupations/Chief_Executives) — uses · Occupations
- [General and Operations Managers](/Occupations/General_and_Operations_Managers) — uses · Occupations
- [Compensation and Benefits Managers](/Occupations/Compensation_and_Benefits_Managers) — uses · Occupations
- [Purchasing Managers](/Occupations/Purchasing_Managers) — uses · Occupations
- [Financial Managers](/Occupations/Financial_Managers) — uses · Occupations
- [Facilities Managers](/Occupations/Facilities_Managers) — uses · Occupations
- [Administrative Services Managers](/Occupations/Administrative_Services_Managers) — uses · Occupations

### Requires input

- [Copper Sheet Laminate](/Products/Copper_Sheet_Laminate) — requires input · Products
- [Acrylonitrile butadiene styrene resin](/Products/Acrylonitrile_butadiene_styrene_resin) — requires input · Products

### Produced with

- [Injection-Molding Machine](/Products/Injection-Molding_Machine) — produced with · Products
- [Solder reflow ovens](/Products/Solder_reflow_ovens) — produced with · Products
- [Chip placers](/Products/Chip_placers) — produced with · Products

### Warranted by

- [Consumer Electronics Warranty](/Services/Consumer_Electronics_Warranty) — warranted by · Services

### Input to

- [Distributing Office Supplies](/Processes/Distributing_Office_Supplies) — input to · Processes
- [Bookkeeping services](/Processes/Bookkeeping_services) — input to · Processes

### Rolled up to product class

- [Calculating machines and accessories](/Products/Calculating_machines_and_accessories) — rolled up to product class · Products

### Composed of

- [Photovoltaic cells](/Products/Photovoltaic_cells) — composed of · Products
- [Printed wire boards](/Products/Printed_wire_boards) — composed of · Products
- [Plastic housings or cabinets](/Products/Plastic_housings_or_cabinets) — composed of · Products
- [Membrane Button Keypad](/Products/Membrane_Button_Keypad) — composed of · Products
- [Printer Mechanism](/Products/Printer_Mechanism) — composed of · Products
- [Liquid Crystal Display](/Products/Liquid_Crystal_Display) — composed of · Products
- [Calculator Microcontroller](/Products/Calculator_Microcontroller) — composed of · Products

### Measured by

- [Button Actuation Life](/Metrics/Button_Actuation_Life) — measured by · Metrics
- [Battery Life](/Metrics/Battery_Life) — measured by · Metrics
- [Digit Display Capacity](/Metrics/Digit_Display_Capacity) — measured by · Metrics

### Problems this exposes

- [printing models depend on thermal/ink ribbon consumables that jam and fade on the audit tape](/Problems/printing_models_depend_on_thermal%2Fink_ribbon_consumables_that_jam_and_fade_on_the_audit_tape) — exposes problem · Problems
- [fixed decimal and rounding-selector settings cause silent tallying errors in bookkeeping](/Problems/fixed_decimal_and_rounding-selector_settings_cause_silent_tallying_errors_in_bookkeeping) — exposes problem · Problems

### Runs software

- [Calculator Firmware](/Software/Calculator_Firmware) — runs software · Software

### Output of

- [Injection Molding](/Processes/Injection_Molding) — output of · Processes
- [Electronic Assembly](/Processes/Electronic_Assembly) — output of · Processes

### Consumes

- [Adhesive](/Products/Adhesive) — consumes · Products
- [Solder](/Products/Solder) — consumes · Products

### Transforms into

- [Office Equipment Bundle](/Products/Office_Equipment_Bundle) — transforms into · Products

### Packaged in

- [Retail Carton](/Products/Retail_Carton) — packaged in · Products

### Assembled from

- [Display Module](/Products/Display_Module) — assembled from · Products
- [Keypad Assembly](/Products/Keypad_Assembly) — assembled from · Products